a guide to and lifting manual tasks * in the hotel industry * developed for small business by the queensland hotels association funded by the department of justice and attorneygeneral other workplace health and safety Queensland UPDATED: 2016 TABLE OF CONTENTS Chapter 1 MANUAL TASKS: SOUNDS SPANISH TO ME? I’ve heard of manual handling but what’s a manual task? 3 So, why do we need to know about this in the hotel industry? 4 Are there any laws in Queensland about manual tasks? 4 Chapter 2 MANUAL TASK RELATED INJURIES: HOW THIS AFFECTS YOU AND YOUR BODY How are injuries caused when you carry out a manual task? 6 This is the serious stuff: what can be injured? 6 Muscles are like rubber bands 7 Your back is strong but vulnerable 7 Forces on the spine 8 What sort of stuff can cause this type of injury? 9 How to prevent or stop getting injured 10 What’s the impact of a manual task related injury? 10 Chapter 3 WHAT ARE THE MANUAL TASK HAZARDS IN THE HOTEL INDUSTRY? Young persons 12 Stacking above shoulder height 12 Moving kegs and cartons 13 Behind the bar 14 In the kitchen 15 Housekeeping 17 Page 1 of 29 The office 18 Chapter 4 HOW DO WE ACTUALLY MANAGE THESE RISKS Risk management 21 Spot the hazard 21 Assess the risk 21 Make the changes 21 Things we can do to fix it: in order of preference 22 Chapter 5 MECHANICAL AIDS TO HELP YOU LIFT AND MOVE Trolleys, pallet jacks and carts 23 Chapter 6 LIFTING TECHNIQUES: LET’S DO IT PROPERLY Training 24 Single person lifting technique 24 Team lifting 26 Pushing v pulling 27 Chapter 7 EXERCISES TO HELP YOU WARM UP Stretching The 28 Queensland Hotels Association is the peak industry body for hotels in Queensland. Workplace Health and Safety Queensland is the prime government health and safety authority in Queensland and a Division of the Department of Justice and Attorney-General. Page 2 of 29 Chapter 1 MANUAL TASKS: SOUNDS SPANISH TO ME? I’ve heard of manual handling but what’s a manual task? Well, it’s not actually Spanish – that’s Manuel. ‘Manual tasks’ is better known as manual handling. This was the common term for lifting, moving, carrying, pushing and pulling things by applying force. The term has been changed in Queensland to recognise that there’s a wider definition that includes a whole range of tasks, not just ‘handling’, which sounds a little restrictive. Many of you will relate the old manual handling term with lifting things that could result in potentially hurting your back. This is probably the most common association but there’s certainly a lot more to it than that. However; back injuries are pretty common, sometimes serious and they generally take quite a while to get over. Lifting things incorrectly can often be the cause. But ‘lifting things’ is only one small part of this. There is an official definition of manual tasks – it goes like this: ‘Manual tasks are workplace activities that require the use of force exerted by a person to grasp, manipulate, strike, throw, carry, move (lift, lower, push, pull) hold or restrain an object, load or body part’. That covers just about everything you can think of? What that basically means is that any task that involves physical activity by anyone would be classed in this category. In fact, when you relate this meaning to everyday life you are actually ‘doing’ a manual task hundreds of times a day. So, when you are behind the bar pulling a beer, or bending down and taking a can from the fridge, or struggling with a full beer keg……you are carrying out a manual task. I guess that even as you click your mouse as you read this guide there is an ‘exertion of force’ occurring, however slight. In fact, administrative staff sometimes sustain injuries to their hands, wrists, back, neck or elbows while working at their computers, Page 3 of 29 generally over long periods of time. This can be due to poor posture, incorrect seating height, bad design (it’s called ergonomics) and the like. This is ‘part and parcel’ of manual tasks. So, why do we need to know about this in the hotel industry? I guess we all know that manual tasks can cause injuries if you don’t do it the right way. What you probably don’t know is the extent of it. About 50% of all workers compensation claims in the hotel industry in Queensland are manual task related. Now, that’s a lot of injuries to persons working within our industry and a lot of lost time and money as well. Most of it is about strains and sprains: we call it ‘musculoskeletal disorders’. You can obviously determine what it’s all about by just interpreting the word, which loosely means ‘muscles and bones’, and the term encompasses joints, tendons, ligaments, cartilage, nerves and tissue. Disorders that affect the musculoskeletal system cause pain or discomfort in the bones, joints, muscles, etc. They can affect all age groups potentially causing disability and impairment. These disorders can be temporary or permanent, widespread or localised to a certain part of the body. You’re reading this guide now because the government, business, employers, and employees want us to reduce the injury rate in our industry. The purpose of developing the guide is to help people understand how these injuries are caused and how to prevent them occurring. What you need to do is take it all in, learn from it and hopefully implement the stuff that is of relevance to you. Are there any laws in Queensland about manual tasks? There are laws in Queensland that are applicable to manual tasks. Essentially, the Work Health and Safety Act 2011 is in force to Page 4 of 29 provide protection to all parties against death, injury or illness in the workplace; and likewise by work-related activities. It’s all about preventing, reducing or minimising the risk to workers and others. There is a ‘duty of care’ on all duty holders, whether employers or employees, who are legally required to ensure the health and safety of all concerned. In a hotel context it covers everybody from the licensee, to the manager, bar managers, venue managers, supervisors, bar staff, restaurant staff, yardman etc. There is also a Hazardous Manual Tasks Code of Practice 2011 – this was developed by Safe Work Australia for Workplace Health and Safety Queensland, the statutory body that oversees health and safety in the State. In effect, this code has the force of law and provides ‘official’ guidance. The code underpins the correct way of doing things and contains all the good technical gear. Using a trolley is the way to go! Page 5 of 29 Chapter 2 MANUAL TASK RELATED INJURIES: AFFECTS YOU AND YOUR BODY HOW THIS How are injuries caused when you carry out a manual task? The thing about manual tasks is that an injury can generally be caused in either one of two ways: By a sudden trauma such as a direct blow on a limb or the body when you’re lifting or moving something, or over-exerting yourself when you’re lifting a load that is beyond your capabilities – maybe you’re just using the wrong technique; or Wear and tear over a long period of time on certain joints or body parts when you’re doing the same thing all the time – like a lower back injury caused by unloading beer cartons in a certain way, every day. Actually, it is usually the second one of those that is the most common. A well known example is ‘tennis elbow’, which is in fact a repetitive strain injury that tennis players frequently get but you can pick it up over time doing any sort of recurrent physical activity or work. This is the serious stuff: what can be injured? Ligament sprain: A sprain is an injury to a ligament. A ligament is the thick, tough, fibrous tissue that connects bones together. Commonly injured ligaments are in the ankle, knee, and wrist, and can be injured by being stretched too far from their normal position. Muscle strain: A strain is an injury to a muscle or tendon. When a muscle contracts it pulls on a tendon, which is in turn connected to your bone. Muscles are made to stretch, but if stretched too far can cause a strain. Herniated or bulging disc: Discs can rupture, especially when operating under pressure, causing the centre to break through the wall of the disc and place pressure on the nerves that branch out Page 6 of 29 disc conditions from the spinal cord. This results in a herniated disc which causes back or neck pain – it’s often called a ‘slipped disc’ or a ‘pinched nerve’. Hernia: This is the rupture of some part of the abdominal wall, which enables an organ to protrude through the wall caused by a sudden lift or effort. Carpal Tunnel Syndrome: A painful disorder of the hand caused by pressure on the main nerve that runs through the wrist. Muscles are like rubber bands The muscles you use when carrying out a manual task are those in our arms, hands, legs and the core of our body (the lower back and abdomen). Most muscles work in pairs, one contracts while the other relaxes. This results in movement. Your muscles are like bundles of fine, elastic ‘rubber bands’. They have their own blood supply and are therefore capable of letting us know when an injury has occurred and can heal themselves. This sort of injury is commonly known as a soft tissue injury. You can put a fair bit of strain on muscles during the course of normal daily activities, with sudden, quick heavy lifting, or even just routine and repetitive manual work. Static Muscle Work: Static muscle work involves a muscle in constant contraction without producing any movement. Examples of this include holding a load away from the body or standing in one place operating a foot pedal. Static muscle work cannot be maintained for long periods. Excessive static muscle work repeated frequently over long periods can contribute to joint, ligament and tendon deterioration. Dynamic Muscle Work: Dynamic muscle work involves muscles contracting and relaxing. For example, turning a wheel or repetitively pulling a beer tap. Dynamic muscle work, in contrast to static muscle work, enables a fresh supply of blood and oxygen to reach the muscle tissues and can be performed over a long period without muscle fatigue occurring. Your back is strong but vulnerable The spine is a strong and flexible column of 33 vertebrae bones. The spine is not only the main support column for your body; it is also the protective structure for your body’s main communications channel – Page 7 of 29 strained muscle the spinal cord. The spine is curved and in profile looks like an elongated letter ‘S’ in shape. The S shape of the spine: Absorbs energy and protects the spinal cord against impact; Helps maintain balance in the upright position; and Absorbs shocks when a person walks. The discs between each vertebra are essentially the spine’s shock absorbers, giving toughness to the spinal column as well as flexibility. When a body is standing up straight, the various parts of the disc are under the same amount of pressure. However; when the spine is flexed, extended or bent over, one part of the disc is under increased compression whilst another part is under tension. Damage to these discs tends to occur over time. Forces on the spine Each spinal segment is subject to different loads and forces including loads from the weights being handled. The pattern of any injury to the spine is directly related to the amount of force present at the time of injury. It is therefore important to understand these forces and the types of injury that results. There are four types of forces acting on a spinal column. Compression: A downward force that when applied on the vertebrae compresses the discs and causes them to bulge out from under the vertebrae. An example of this could be where you are carrying a beer carton on your shoulder down a flight of stairs, and for some reason you trip and miss a stair. The heavy landing will send a shockwave up from your feet and another down your spine from the weight on your shoulder. Where the shockwaves meet along the spine, the disc(s) in that region become compressed. Tension: Tension pulls apart the vertebrae on one side of the disc whilst compressing the other. This is commonly seen in the workplace when you bend over to reach for something, say under a counter to grab a glass tray or reach up to grab an item off a high shelf. Low back pain can be experienced with this type of injury. Shear: This involves the application of force parallel to the vertebrae. On bending forward, there can be a tendency for the vertebra to slide forwards on the one below. Shear forces are most commonly experienced in the lower back region. This type of Page 8 of 29 S shape of the spine injury is normally associated with a person experiencing trauma. Torsion: The twisting movement of the spine can place high levels of strain on surrounding ligaments and muscles. This could lead to a soft tissue injury. This movement could also lead to a degeneration of the discs due to wear and tear. This is commonly seen in the workplace when you twist around to grab something from behind you. When you’re carrying out a manual task a combination of compression, torsion, tension and shear forces can occur during the whole action. What sort of stuff can cause this type of injury? The back, shoulders and wrists are the most frequently injured parts of the body. Some of the common work-related activities that can cause musculoskeletal injury include: Load handling – frequent and repetitive lifting with a bent or twisted back; Lifting quickly or pushing/pulling heavy loads; Lifting loads that are too heavy for you; B a c k Wrong way! I’m using my back instead of my legs Static working positions with the back bent, or continuous and sustained working positions sitting or standing; Awkward including overreaching to grab items on high shelves; and The twisting of the body to grab items from behind. Repeated or sustained exertions including gripping either with or without force; Static postures involving the neck, shoulders and arms while lifting or carrying heavy loads; Uppe r body and limbs Page 9 of 29 Lifting loads away from the body; A sudden jarring of the muscles and joints; and Lifting loads beyond your capacity. Squatting or kneeling for long periods of time; Lo Sudden jarring of the muscles and joints; and w er Again, lifting loads beyond your capacity. li m Howbs to prevent or stop getting injured There are plenty of things you can do to prevent being injured. When you think about it, a lot of this is ‘commonsense’. Organise the work area to reduce bending, twisting and stretching; Use mechanical aids like trolleys and carts; Use other people to help you lift heavy things (team lift); That’s better! Legs bent back straight Warm up cold muscles before starting any manual work; Lift and carry heavy loads properly, by keeping the load close to the body and lifting with the legs – not the back; Don’t try to lift too much – this is very common practice; Keep a correct posture using the natural curves of the spine; Take frequent breaks and rest – warm up again if you take an extended break; and Keep fit and maintain a good weight. Keep the load close to the body What’s the impact of a manual task related injury? Musculoskeletal injuries can have a negative impact on both the person and the workplace. For the individual (and dependent upon the severity of the injury) it can result in: Lost income and possible loss of employment; Reduced performance; Disruption to family life, social and recreational activities; Increased and ongoing medical expenses; Ongoing pain and discomfort associated with the injury; and Psychological and emotional stress. Page 10 of 29 For the workplace the impact could be: Lost productivity; Increased training costs; Increased staffing costs e.g. labour hire; Increased WorkCover premiums; Increased absenteeism; and Potential breakdown of teams and individual relationships. To reduce this risk, young persons in particular need a thorough induction when they start their employment to highlight manual task dangers and other health and safety hazards they will find in the workplace. Ongoing training is recommended. Hopefull y I’ve got a license to drive this thing? Page 11 of 29 Wrong techniq ue again? Chapter 3 WHAT ARE THE MAIN MANUAL TASK HAZARDS IN THE HOTEL INDUSTRY? Young persons Probably the biggest potential manual task hazard in the hotel industry is actually young casual staff. The reality is that young casuals are more prone to this type of injury than anyone else. That’s due to a number of factors. The casualisation of No worries mate ten feet tall and bulletpr oof! the workforce means that there is generally a higher staff turnover rate. As a consequence, casual staff have less permanent ‘ownership’ staff of members a and workplace may be than less motivated to stick to formal procedures, or in fact to undertake training. There is also sometimes a reluctance to I think I need a ladder? train casuals due to the repetitive costs involved as staff regularly changes. The maturity factor is also an influence with young persons, especially young males, who sometimes see themselves as ‘bulletproof’. As a result, they may not give the necessary thought into how they carry out a particular function. For example, a more experienced staff member may think twice about lifting a heavy load, either obtaining assistance or perhaps using a trolley or other mechanical aid. A younger inexperienced staff member may not – a ‘no worries, she’ll be right’ attitude. Stacking above shoulder height Hey, that’s a bit easier Working in a hotel environment will generally involve some form of lifting or moving stock, or stacking chairs, or carrying trays of glasses or plates etc. One of the most common hazards in a hotel is stacking, loading or retrieving cartons either in a cellar, cold room, storage area or bottleshop floor. Frequently, cartons are required to be stacked on shelves or on the floor for display or storage purposes. It has been a relatively common practice amongst hotels to stack cartons above Page 12 of 29 shoulder height on the floor. Fortunately, this practice is disappearing as hoteliers and staff become more aware of appropriate manual task standards. Stacking cartons above shoulder height is not Too high recommended. When reaching above shoulder height, the back is usually arched and there is some degree of unnatural bending and twisting involved, which makes the load difficult to control and increases the risk of injury. There are ways to prevent or discourage staff from stacking over the proper height. Paint a line or attach some tape around the storeroom or cold room wall at an average shoulder height and restrict them from stacking above it. If you have to stack above that height, perhaps to reach up to shelves, use steps or a ladder (with rubber feet especially if there is any condensation about). It is a lot better if you can transfer the heavier items to more accessible mid-level shelving so you don’t have to overreach. Don’t double stack Moving kegs and cartons Cellars and cool rooms are always areas that contain potential hazards. They are frequently restrictive in size and sometimes have very low ceilings. This can mean there is often little room to move and stock can be stacked higher than at an acceptable level. Most cool rooms are wet under foot with condensation on walls and floor. Many cellars are also used as storage areas, so there are lots of things that you can trip over, bump into or hurt yourself on. Not all cellars have decent lighting and many of the floors are old and uneven. This is where you’ll generally find the keg room, cool room or an area where the kegs are stored. Single lift – no! Kegs are always an issue, especially when you’re dealing with the full ones. They are very heavy and because of their size and shape, quite awkward. A 50 litre aluminium keg weighs in excess of 65 kilos. Never lift a full keg on your own. Team lifts are OK if they have to be lifted, but they shouldn’t really be manually double-stacked unless there is a mechanical means available i.e. keg lifter. For moving over short distances, it is common practice to tilt them on an angle and roll the keg along on the bottom edge. This allows the weight to remain on the ground via this edge. It’s just a matter of keeping the right Page 13 of 29 balance as you roll the keg along. This is an acceptable and practical solution for moving a keg. You just have to watch out that you don’t lose control of the keg or over-twist and cause yourself an injury. Yes, yes, yes! Rolling a keg along on its side is really a thing of the past, unless you are using a slide in a controlled roll down into a cellar. Best case scenario for all keg movements is to use a trolley, keg lifter or pallet jack. There are many types of keg trolleys on the market. Probably the best is the combined trolley and lifter variety. It is standard practice for breweries to use a mechanical means to unload kegs from a delivery truck. That means that it is unlikely in this day and age for hotel staff to have to lift kegs off the back of trucks. It’s a similar situation with cartons – both are generally palletised. To reduce the need to double stack kegs in the cold room it could be more practical to alter delivery Too many cartons arrangements with more frequent drop-offs that would reduce the need to store larger quantities. It’s the same process with cartons as it is with kegs. Don’t over-stack them and if possible, keep the cartons loaded on pallets to prevent double handling and repetitive lifting. If you work in a bottleshop there is no avoiding having to lift beer cartons. When you do lift, only carry the number of cartons that are comfortable for your body type and bend your knees, not your back. Always use a trolley or other mechanical aid if available for quantities. When using trolleys take into account: Make sure trolleys with tube tyres are properly inflated; Don’t overload the trolley – it can either be too heavy to control or you can’t see where you’re going; Be careful when rolling over uneven surfaces or pushing up slopes; It’s bending those knees again and It’s better to push a trolley than to pull it along. Behind the bar Pumping beer from the taps is a repetitious task; however, there are few reports of it causing strain injury. If there are any concerns it may Page 14 of 29 be better to alternate hands in order to reduce the load on your dominant one. Inserting or taking out trays of glasses from a fridge or from a glass washing machine can sometimes be Right height for a little bloke! difficult. It’s a task that requires frequent bending and the use of your back, especially if below knee height. Dependent under the circumstances, the load can sometimes be situated away from your body as you carry out this manoeuvre. Keep the load as close to your body as possible and bend the knees, not the back. Repetitively twisting around behind you, like reaching into fridges, can also be an issue. Traditionally, spirit bottles are located over the bar either at the front or rear of the bar area. They are often found attached to shelves at Mmmm mm! above shoulder height to assist nip dispensing operations. Having the spirit bottles above the bar allows for more space behind the bar. Unfortunately, it means staff (especially those of smaller stature) can be constantly reaching above shoulder height to fill spirit glasses. It’s probably not the weight of the glass that’s an issue, just the potential overreaching. In recent years it is becoming more common to use freestanding measured nip pourers, which means that spirit bottles can be kept behind the bar in a more accessible position. Repetitive overreaching and twisting or turning is not a recommended practice. Picking up empty glasses from around a bar is better done by using a tray, not stacking them all the way up your arm. Make sure you keep the tray close into your body. Don’t try to hold it above your shoulder or head as you move around a bar that’s crowded. You should either Way to go! move sideways using your elbows to lead, or don’t use the tray, just pick up a few glasses at a time. In the kitchen In the kitchen (or sometimes behind the bar), the risk of injury increases as loads are held further away from the core of the body. This is most evident when employees reach into display fridges, ovens or dishwashers while cleaning or accessing food or drink. Bending forward to pick up loads from a low level may also cause strains, Page 15 of 29 particularly to the lower back. Review where items are stored in the pantry – ideally, the heavier items should be accessible between knee and chest height. When you’re working at benches or sinks for long periods of time, awkward and static postures can become hazardous especially if the working heights are not at the right level. Deep sinks can be a problem if the bench is situated too low: it means you are bending over the whole time. You can place a pot or similar item in the bottom of the sink to bring the work area up a bit to lessen the bending. Probably the best work bench height is just below elbow level. When working at benches: You should be able to stand upright in a comfortable position; Only slight neck bending should occur and regular position changes and stretching are recommended; If practical, work equipment and product needs to be accessed within arms reach to avoid twisting or stretching; Use a foot rail or footrest to shift body weight from one leg to the other. This can help to relieve lower backache if you’re standing for long periods; and There is a product called anti-fatigue matting which is designed to reduce pressures and strains caused by standing or sitting in one position over time. Carrying large numbers of plates and crockery can also be risky as they can be heavy, fragile and often hot. This is especially so for persons with a light frame. A spring-loaded, heated plate dispenser can eliminate that risk to some extent. When carrying food on trays place one arm under the tray and the other supporting the tray. This will lessen the pressure on the wrists and hands. Pots containing hot liquid or oil are generally heavy and risk spillage which can cause scalding. Large chemical or detergent containers also need care as there is a risk of chemical spillage or a burn hazard, in addition to potential sprain or strain injury. The use of trolleys, carts and other mechanical aids is recommended. You should slide heavy pots onto a kitchen trolley if it’s the same height as the bench – less Page 16 of 29 Only a few at a time risk of injury. Make sure that the mechanical aids are well maintained (pressure in the tyres, wheels lubricated etc). There are other ways to reduce the injury risk as well like buying smaller containers, reduce double handling by having the load directly delivered to the kitchen, Use your knee for support contract out functions like fryer management and oil replacement, or eliminate the need entirely by doing the task a different way i.e. commercial pot soaker instead of heavy duty pot washing. For storage requirements or just to use as rubbish bins, the ‘wheelie bin’ variety is the best for ease of movement. Don’t overfill them. Housekeeping Most small trading hotels do not provide accommodation; however, there are a number that do, especially in regional or rural areas. This ‘housekeeping’ information is essentially for a small accommodation operation; however, the processes are recommended in any hotel situation i.e. cleaning, laundry etc. In many cases housekeeping functions are repetitive, require overreaching and involve twisting and turning movements. There are ways that you can minimise the risk of hurting yourself. Kneel beside the bed – don’t use your back It is common practice for housekeeping staff, especially in the larger establishments, to ‘warm-up’ as a group before starting work. This allows the body to adapt quicker to the rigours of the type of work involved and prevent potential muscular injury. A stretching routine is recommended in all housekeeping situations – in fact, it’s a good idea before you do any type of physical work. Bed making: To prevent overreaching when you’re making a bed, place one knee on the bed to obtain a more central position. Kneeling, squatting or half kneeling should be used to tuck in the sheets. Bed linen: Use a linen trolley (which includes a dirty linen bag) when changing the sheets or towels. Do not overfill linen trolleys or bags – linen bags can get quite heavy especially when they’re full of wet towels. Laundry: When you’re removing laundry from a front loading washing machine put the laundry basket directly under the door and squat or Page 17 of 29 kneel down to reach into it. This action reduces twisting and turning movements that can impact on your back. Cleaning: Some cleaning tips to avoid injury include: Vacuum cleaning – for commercial premises light backpacks are recommended as they allow your torso to bear the weight in a more natural manner and reduces the need to twist and turn as you drag along a floor-based wheeled vacuum cleaner. Keep your body as Knees again upright as possible (straight back) and use your feet positioned forward and back. Squat or kneel as you vacuum under furniture and beds. Mopping the floor – use a wheeled wringer bucket if possible as it means you can push it around the floor with your mop and you don’t have to bend down all the time. Likewise, when you are using the wringer, a foot operated or downward pressure style is easier to use. When you’re filling the bucket, it’s better to use a hose so you don’t have to lift a full bucket down from the tap. Don’t overreach when you’re mopping, just use short strokes and squat or kneel when you’re mopping under furniture. Sweeping the floor – it’s the same as when you’re mopping under furniture; squatting or kneeling when you sweep under tables, chairs or those hard to get at areas will help you to avoid bending and twisting your back. Use a long handled attachm ent General cleaning – when you wipe or polish tables or other flat surfaces try not to overstretch to reach the centre, just brace yourself on the furniture as you lean, or go around the other side if at all possible. Using a long handled duster is a better option than climbing up a ladder, as long as you don’t have to twist or lean backwards awkwardly. Make sure you squat or kneel when cleaning shower cubicles or toilets. The office Office–based work, where you are generally seated and there’s a low level of physical activity, can be detrimental to your musculoskeletal Page 18 of 29 system, as indeed can lifting, pushing and pulling. Static muscle loading occurs when the muscles are held in the one position for long periods in a state of contraction, for instance if you are sitting in one position for a long period of time. In this situation the muscles have no chance to relax to allow blood flow to provide oxygen and remove wastes from the tissues. Long term effects can include damage to the musculoskeletal system. Static loads are associated with arthritis, inflammation of tendons, degeneration of joints, muscle spasms and disc problems. The correct design of workplaces and equipment can improve the stress on the body, reducing the risk of injury and chronic pain. For instance, poorly designed chairs that can’t be adjusted provide little back support and can cause employees to adopt poor postures and movements. Workstations that can’t be adjusted can result in unnecessary reaching, bending and exertion of force. The correct placement of furniture in a work area can prevent staff from twisting or reaching objects that may cause problems. Standing up and moving to a position within easy reach of an object is preferable to overstretching. Proper shelving at the right height is also preferable. Avoid storing frequently used items near floor level or above shoulder height. Sitting for too long in any chair will lead to fatigue and stress on the spinal column. Change your seated position frequently and get up and about on a regular basis. A chair needs to maintain the curves of the spine by providing adequate support to the lower back. The backrest should be sufficiently padded and contoured to fit and support the small of the back, and needs to be adjustable. The recommended seat height is having both feet on the floor with your knees at an equal level as your hips. The height of a desk can be important as well. Modern computer friendly desks are generally set at the right height to use a computer with an adjustable chair, or even an adjustable keyboard tray. The older style desks aren’t. You need to be comfortable with relaxed shoulders, arms parallel to the ground with straight wrists and hands. Page 19 of 29 Posture is importa nt The computer screen should be centred directly in front of you at arm’s length. The top of the screen should be about 5-7cms above eye level. The position of the screen may vary for those people who wear glasses. Rollin’ …… Page 20 of 29 Rollin’ …… Rollin’ …… Was that 10 or 11 pots? Chapter 4 HOW DO WE ACTUALLY MANAGE THESE RISKS? Risk management Risk management is a process we follow in order to identify, assess and manage workplace hazards. A hazard is defined as something that has the potential to cause us harm e.g. a work task where a large number of beer cartons has to be moved from the storeroom to the bottleshop – it could be a potential hazard if there was no trolley available. We recommend using the S.A.M method to manage the risk. Spot the hazard Identify the problem manual task issues which are likely to, or have caused injury. Employers should generally do this in consultation with employees. Workers who are actually doing a particular job are usually very aware of the risks attached, and will often have good ideas for solving the issue. They also intimately know the workplace. Assess the risk In the 2nd part of the process, we are looking at ranking the hazards we’ve identified in order of the greatest risk posed to our health and safety. Sometimes these are hazards which early action is required, for instance, it might be a minor issue that has suddenly developed into a significant hazard for various reasons. There are different ways of assessing hazards – one of the most common is by inspecting the workplace, examining the manual tasks, equipment and processes. This can be done by using checklists and the like. Make the changes Once we have assessed the manual task hazards and found our top priorities, we now need to fix them. We can use what’s called the ‘hierarchy of controls’ to help us work out how we are going to fix the problem. The hierarchy of controls includes a number of ‘fixes’ including: Page 21 of 29 1. Elimination – can we remove the manual task hazard or do away with it entirely? 2. Substitution – can it be changed for something safer? e.g. can a large load be substituted by many smaller loads? 3. Engineering or isolation – is their an ‘engineering’ solution for the problem? e.g. use a mechanical aid (a trolley for instance) when moving a large load? 4. Administration – training is always a good option, in this case to show staff how to lift or move items safely. 5. Protective clothing – what protective equipment is suitable for staff to use? e.g. steel capped boots for heavy lifting tasks. By following this simple process, we are able to minimise our exposure to these hazards, and make sure we meet our obligations to provide a safe and healthy workplace. There are other solutions to manual task problems. Things we can do to fix it: in order of preference Other things you could do to decrease the risk include: Purchase better designed equipment Changing the size of the load Using trolleys, pallet jacks or carts to move loads Lowering the storage heights for frequently used items Team lifting where appropriate Changing work postures and providing rest breaks Rotating, sharing, organising or modifying work tasks Maintain workplace equipment Employment screening Better workplace design Page 22 of 29 Chapter 5 MECHANICAL AIDS TO HELP YOU LIFT AND MOVE Trolleys, pallet jacks and carts Mechanical aids are used to help minimise our exposure to the risks associated with manual tasks. There are a wide variety of mechanical aids available on the market, so consideration must be made as to tasks being undertaken when selecting and purchasing equipment. For the worker, once you have assessed the load, the following considerations must be made when selecting which mechanical aid to use: Consider the nature of the load – is the mechanical aid suited to the task? For example, you’d transport 4 cartons of beer using a normal wheeled trolley. But you’d transport 24 cartons of beer on a pallet using a jack if it was practical (one trip, room for the jack to easily access, trained on the jack). The mechanical aid should be as light as possible and kept close to where the work is to be done. Light equipment is easier to use and staff are more motivated to use it if it’s accessible. Are you trained in the use of the equipment? Workers need to be properly trained in the use of a mechanical aid. For instance, you cannot and should not operate a forklift truck without the proper training and certification. Is the mechanical aid in good working order and available for use? Equipment should be well maintained. Faults should be reported for fixing as soon as they are discovered. Page 23 of 29 Chapter 6 LIFTING TECHNIQUES – LET’S DO IT PROPERLY Training Training is just one of many controls we can put in place to minimise our exposure to the risks associated with manual tasks. This should be considered after all other options for reducing your exposure to the risk have been exhausted, or in conjunction with other options. The critical matter with manual tasks is to do it the right way. Lifting is the most common example of incorrect technique and the one that causes the most problems. It’s about having the right technique. And here it is: Single person lifting technique Assess the load – think before you lift: Where is the load going to be placed? Do you need help with the load? Seek assistance from another person or use a mechanical aid. Is there a clear path? Remove things you’re potentially likely to trip over. Think about the best way of lifting the load. For a long lift, such as floor to shoulder height - consider resting the load mid-way on a table or bench in order to change grip. Don’t overdo it - ensure you don’t lift more than you know you are capable of handling. Keep load close to your waist Minimise the distance between the lower back of the handler and the centre of gravity of the load during the lift. Keep the load close to the body for as long as possible. Have the feet slightly apart with one leg slightly forward to help maintain balance (alongside the load if it is on the ground). Page 24 of 29 Be prepared to move your feet during the lift to maintain a stable posture. Keep the heaviest side of the load next to your body. The distance of the load from the body at waist height is an important factor in determining the overall load on your spine and back muscles. The further away from the body the load is, the higher the potential is for musculoskeletal injury. Keep the back straight – bend at the knees Keep the back straight - this will keep the spine in its neutral Keep it close to the body position where it is most effective in supporting the body. Bend your knees not your back when picking up a load. Don’t flex the spine any further as you lift - this can happen if you begin to straighten your legs before starting to raise the load. Keep a firm hold on the load close to the body Try hugging the load close to the body if possible. This may be better than gripping it tightly with your hands. This ensures you have suitable control over the load. Move smoothly Avoid jerking or snatching at the load as this can make it harder to keep control of the load and can subsequently increase your risk of injury. Turn with your feet not with your hips Keep your shoulders level and facing the same direction as the hips. Turning by moving your feet after lifting the object is better than twisting and lifting at the same time. No twisting ! Keep your head up when travelling Look ahead, not down at the load, when you are moving along. Then you’re able to see where you are going and prepare you for any sudden changes – like avoiding another person suddenly coming across your path. Page 25 of 29 Place the load down and then adjust If the load shifts while you’re carrying it, put it down first, and then adjust it into the correct position. Team lifting Team lifting is essentially an extension of individual lifting, except you have assistance from one or more persons to carry the load. Where possible, a mechanical aid should be used prior to attempting a team lift. If you don’t have a trolley, pallet jack or cart, a team lift is the way to go. You’d use a team lift in these circumstances: The load is awkward in shape. The load is large in size, even though it may be of a light weight. The load will obscure your vision when you are carrying it. The load is of a weight where it will be difficult to carry without help. If you establish that it’s better for someone to help you carry the load, you need to make an assessment on who that would be. Sometimes you don’t have much of a choice with that, but if you do: Pick someone of similar height. Pick a male if you can – whether you like it or not males are physically stronger than females. Pick someone who is strong, rather than someone who isn’t. Avoid very young or very old people. Remember, when undertaking a team lift, the potential for musculoskeletal injury still exists. Musculoskeletal injury may occur during a team lift if: The load is not distributed evenly, Workers do not lift at the same time, Workers adjust their hold when moving along, A worker hasn’t adjusted their level of exertion to match those of the others, Page 26 of 29 The task involves the load being moved up or down a sloped surface or stairs which results in one or more workers bearing the full weight of the load. To complete a team lift: Communicate when lifting and carrying the load, Make sure you have an adequate number of persons to assist in carrying the load, Make sure you have enough room for all persons to comfortably lift and carry the load, Appoint one person to control the lift, Apply the Single Person Lifting Procedure for Team Lifting, Pace yourselves, Where possible use a mechanical aid for the load. Planning the lift and having a good hold on the load is particularly important for team lifting. Pushing v pulling There are three parts to pushing and pulling – starting the load in motion, sustaining it and then Pushing too high and upright stopping it. The first and last require the most effort. It is better to push than to pull as it involves less work from the lower back muscles and you can see where you’re going. With pushing, it is preferable to have your elbows bent and apply the force above the waist – for pulling, below the waist. However, individual circumstances can dictate the best way forward. For example, a pallet jack is easier to drive and control by pulling it along; however, it is probably better for you physically to push it. That’s something for you to make a risk assessment on at the time. Sometimes basic physics come into play. Think of a rugby scrum where the maximum effort is exerted as the players are crouched low and force is applied when they push. It’s the same principle when pushing a heavy object – go low and hard with a straight back, not high and soft. Page 27 of 29 Chapter 7 EXERCISES TO HELP YOU WARM UP Stretching Simple stretches can aid in reducing the risk of suffering an injury. The following are examples of stretches that could be undertaken. Please note that these are only meant as a guide. Medical advice may be required prior to undertaking any of the below stretches. If any of the following stretches cause you pain or discomfort, stop the stretch immediately. Neck stretch. Place your left palm on the right ear and carefully apply slight pressure towards the left shoulder while pushing your head upright. Release and repeat other side. Shoulder stretch. Take your right arm straight across your chest and curl the left arm around your elbow, gently pulling on the right arm to deepen the stretch in the shoulders. With arms straight, clasp your fingers in front of you while keeping your back upright. Gently push your hands away from you until you feel a stretch across the back of the shoulders. Hold for about 8-10 seconds. Triceps stretch. Place your arm above the head and cradle your elbow with a hand. Gently pull elbow down behind the head. Hold for about 10 seconds and then change sides. Page 28 of 29 Switch sides and hold for about 10 seconds. Standing side stretch. Place your right hand on your right hip; bend your upper body to the left and hold for several seconds. Bring the body back to the original stance. Repeat on the other side. Stand with your feet hip-width apart and firmly planted on the ground. Your hands should be supporting your lower back and keeping your chin to your chest. Gently arch your back. Hold for 15 seconds. Repetitions Forward bend for lower back and hamstrings. Gentle bend towards your toes but don’t touch them. Bend your knees if you don’t want your hamstrings stretched. Usually need to be fit for this one. Repetitions Acknowledgements: Canungra Hotel Hotel Maleny Robina Tavern Logan City Tavern Clarion Hotel (Mackay) Central Hotel (Bundaberg) Trinity Beach Tavern Bracken Ridge Tavern Nicholas Lane (QHA) Stuart Riley (SR Photography) Page 29 of 29 Stand with one foot in front of the other. Bend the front leg while keeping the back leg straight – push your back heel to the floor. Bend your forward knee until a comfortable stretch is felt in your back calf. Hold for 15 seconds. Repetitions
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