The Muscular System

The Muscular System
Objectives
y To know the functions of muscles
y Be familiar with antagonistic muscles and
give an example
y Recall what tendons and ligaments are
y Diffrenciate and give examples of the 3
types of muscle
Functions Of Muscles
y Producing movement (heartbeat)
y Maintaining posture/shape
y Stabilizing joints
y Food digestion
Muscles
y Muscles contract-shorten
y A muscle cannot straighten itself
out
y Muscles can only “pull” and not
“push” a bone
y So muscles tend to occur in pairs-
Antagonistic pairs
Antagonistic Muscles
Types Of Muscle
y Cardiac
y Smooth
y Striated
y Voluntary..Involuntary??
Learning Check
y Give 4 functions of muscles
y Name the three types of muscles
y Give examples in the body of various types
of muscles
y Describe what happens with an
antagonistic pairs of muscles
y What connects muscle to bone?