184 Journal of Exercise Physiologyonline June 2017 Volume 20 Number 3 Editor-in-Chief Official Research Journal of Tommy the American Boone, PhD, Society MBA of Review Board Exercise Physiologists Todd Astorino, PhD Julien Baker, ISSN 1097-9751 PhD Steve Brock, PhD Lance Dalleck, PhD Eric Goulet, PhD Robert Gotshall, PhD Alexander Hutchison, PhD M. Knight-Maloney, PhD Len Kravitz, PhD James Laskin, PhD Yit Aun Lim, PhD Lonnie Lowery, PhD Derek Marks, PhD Cristine Mermier, PhD Robert Robergs, PhD Chantal Vella, PhD Dale Wagner, PhD Frank Wyatt, PhD Ben Zhou, PhD Official Research Journal of the American Society of Exercise Physiologists ISSN 1097-9751 JEPonline Association of BRAMS with Physiological Variables during a Maximum Test in High Performance Kayak Athletes Pamela Gill Ferreira1, Heros Ribeiro Ferreira2, Joice Mara Facco Stefanello 1 1Laboratory of Sport Psychology of Federal University of Parana, Curitiba, PR, Brazil, 2Laboratory of Physiology of Faculty of Medical Sciences of Santa Casa of Sao Paulo, Sao Paulo, SP, Brazil ABSTRACT Ferreira PG, Ferreira HR, Stefanello JMF. Association of BRAMS with Physiological Variables during a Maximum Test in High Performance Kayak Athletes. JEPonline 2017;20(3):184-193. The purpose of this study was to determine the association of the Brazilian Mood Scale (BRAMS) with specific physiological variables prior to a 4-min maximum effort test in Olympic kayak athletes. The subjects consisted of 54 high performance canoeing athletes with more >3 yrs of international competitive experience. Their mean age was 21.76 ± 6.43 yrs. The Kolmogorov Smirnov test was applied for normality. The Spearman correlation test was used to determine the correlation between variables. Analysis of Variance was used to determine statistical differences with the alpha level set at P<0.05. The results indicate significant correlations for the following variables, BRUMS subscale: Tension (r = .41; P=0.01), Depression (r = .34; P=0.05), Fatigue (r = .46; P=0.01), Confusion (r = .40; P=0.02), and Anger (r = .42; P=0.01) with Lactate and Anger (r = .37; P=0.03) with Heart Rate and Stroke Rate (r = .40; P=0.02). These findings are in agreement with the association of metabolic responses in different high intensity sports. Search results for BRUMS with regards to blood lactate and heart rate in the 4-min maximum effort test confirm the diagnostic effects for the high performance sport in the pre-competitive phase. This analysis should help in promoting success in kayak athletes. Key Words: Fatigue, Kayak, Mood, Performance 185 INTRODUCTION The studies about relationship between emotional variables and sports performance (1) have received a lot of attention, especially the studies with mood states (18,22,37). The changes in mood states can compromise an athletic performance since as they do not provide the athlete with the performance conditions to be successful or even indicate training overload (23,32). Hence, mood states are a decisive factor in the performance of athletes (39). Initially, the research involving mood states in sport was performed with athletes of individual modalities (e.g., running and swimming) (14,32). Currently, researchers have investigated this variable in the most sports (20,23,30), particularly in association with metabolic or physiological parameters in order to validate a modification. Generally, when athletes present positive mood states with high levels of energy and low levels of fatigue, anger, tension, depression, and mental confusion (17,27,42), their perception of the actual experience can impact positively or negatively their performance (25). Athletes who are depressed or who feel that it is hopeless to continue face a very frustrating situation. Their feelings of sadness are often associated with the behavior of “why try”. On the other hand, when athletes feel strong, vigorous, and cheerful, they tend to exhibit coping behaviors that allow for the handling of frustrating situations. They feel encouraged, which helps to produce the appropriate physiological responses. Considering that perceptions, judgments, behaviors, and memories always associate with an affective resonance and change in the mood state present in an individual (2,3,5,6,28,31,44), professionals who work with the high performance athletes are interested in understanding the psychological demands associated with sports performance. In this way, they are in a better position to detect and optimize the athletes’ training sessions by intervening when necessary to help guide them in a fast and precise way to help ensure their best performance (26,27) While athletes who engage in competitive performances must have high levels of strength, muscular endurance, balance, coordination, and agility (7-12) to perform well, they must also have a strong and balanced emotional state of mind. Also, in addition to the physiological variables and the athletes’ mood state profile, the ideal condition for the best athletic performance is made possible by ideal environmental factors. This is a primary concern for the kayak athletes whereby the environment can interfere with the competitive performance due to wind and water actions. The athletes’ quick decisions and concentration in the face of unstable environmental conditions require attention equal to their physical abilities. Cognitive mechanisms that allow for exercise to effectively decrease the athletes’ anxiety remain to be completely understood. The experimental methods used in various studies cannot effectively explain whether the mood changes observed in the participants were due to the exercise itself or were influenced by artifacts from the experiment that may have led participants to self-assess more positively after the session (25,28-31,33,34,44). Thus, the purpose of this study was to determine the association of the Brunel Mood Scale (BRUMS) with specific physiological variables prior to a 4-min maximum effort test in Olympic kayak athletes. 186 METHODS Subjects The study consisted of 54 male athletes with a mean age of 21.76 ± 6.43 yrs, height of 182.46 ± 3.42 cm, and body weight of 78.73 ± 4.19 kg. All subjects presented with more than 3 yrs of high performance training and international competitive results. The subjects were analyzed during the strength training period of the general training plan established by the Brazilian Confederation of Canoeing (CBCa) in order to have greater control of all sports activities and nutritional status. The subjects were informed about the objectives and procedures of the study and, after agreement, they signed a free and informed consent form, which was approved by the Ethics Committee of the School of Medical Sciences of Santa Casa de Sao Paulo (FCMSCSP) under number 518,993 of 01/29/2014. Procedures The present study has cross-sectional, descriptive, and correlational characteristics, where all subjects maintained their training programs during the month preceding the research. The evaluation of mood states was performed immediately before the maximal effort of 4-min in an ergometer. The questionnaire was read item by item by the evaluator so that all the subjects could mark their answer. The subjects did not consume any dietary or ergogenic supplements before or during the study. Brazilian Mood Scale (BRAMS) To evaluate the subjects’ mood states, the Brazilian Mood Scale (BRAMS) (4,15,40,41) was used, which was adapted from the Profile of Moods States (POMS). The Brazilian version (BRAMS) has six subscales with four indicators each: (a) Tension (items 1, 13, 14, 18); (b) Depression (items 5, 6, 12, 16); (c) Vigor (items 2, 15, 20, 23); (d) Fatigue (items 4, 8, 10, 21); (e) Confusion (items 3, 9, 17, 2); and (f) Anger (items 7, 11, 19, 22). Responses are recorded using a 5-point Likert scale, where ‘0’ = ‘Not at all’, ‘1’ = ‘A little’, ‘2’ = ‘Moderately’, 3 = ‘Quite a bit’, and ‘4’ = ‘Extremely’. The standard reference timeframe used is “How you feel right now”, although a variety of other reference time periods can be used. The BRAMS has been shown to be a valid and reliable measure of mood in several scientific studies. The average completion time of the BRAMS is 1 to 2 min (35,36,43,45). 4-Min Maximum Kayak Ergometer Test The specific ergometer for canoeing was the Kayakpro® Speedstroke GYM, which has been used in recent years by countless countries for indoor training and championships. The kayak ergometer (KE) allows the athlete to use the same posture as when in the kayak. It is configured to allow the athlete the same movement that is carried out when in the water. The rowing axis is fixed by cables at the ends are connected to force and speed transducers that allow for the resistance to be altered, calibrated, and controlled by computer, which provides the simulated variables to the in loco test (10,12). The purpose of the 4-min test using the KE was for each subject to perform a maximum physical effort specific to the sport of kayaking. Each subject performed a complete joint warm-up for 5 min followed by a 40 W load for 5 min on the ergometer, which was followed by a 2 min passive interval. Then, the KE test was initiated (10,12). The variables analyzed were determined by the components of the force-time curve: (a) Average Relative Power (ARP) in watts·kg-1; (b) Stroke Rate (SR) in RPM; and (c) Distance Travelled (DD) in meters (m). The impulse loads determined the ARP by the time ratio and the SR were determined by 187 the number of complete stroke cycles per minute, which were averaged. The maximum distance travelled (MDT) variable was measured in meters, and it was the final product of the 4-min maximum test (9). Physiological Variables During all test, gas exchange was analyzed using a metabolic system K4b 2 (Cosmed, Rome, Italy) that was calibrated using a 3 L syringe and gases of known concentrations. The physiological variables of interest included peak VO2, SPO2 and heart rate (HR). Prior to and immediately after the KE, blood was collected from the earlobe to determine [Lac], using disposable microspears (Roche®, Soflix®) and reagent strips for lactate (Roche®, lactate test strip) in a portable Accusport analyzer (Roche®). The HR data were collected and recorded using a Polar® system of information transmission. All data were stored in the equipment and subsequently filtered and analyzed using specific software. Body composition was collected the previous day using the metod Multi-frequency Direct Segmentation Bioimpedance DSMBIA, Tetrapolar, using an equipment model 120 for InBody®. Statistical Analyses The results are presented as mean ± SD. The normality was verified using the Kolmogorov Smirnov test. Spearman test was use to establish correlation and the statistical comparison of the groups was carried out using the One-Way Analysis of Variance (ANOVA) test and the Tukey HSD (Honestly Significant Difference) test. The significance level was set an alpha level of 5%. The Statistical package SPSS 17 was used to analyzed the data. RESULTS The descriptive results (mean ± SD) are shown in Table 1 (body composition, levels of sports performance about data of metabolic characterization, attesting the high level of the athletes. Table 2 presents the results of the correlation analysis of the variables in the BRAMS subscale, which indicate significant correlations for the following variables: Tension (r = .41; P=0.01), Depression (r = .34; P=0.05), Fatigue (r = .46; P=0.01), Confusion (r = .40; P=0.02), and Anger (r = .42; P=0.01) with Lactate and Anger (r = .37; P=0.03) with Heart Rate and Stroke Rate (r = .40; P=0.02). Table 1. Characterization of the Sample. Weight (kg) Height (cm) HR Rest (beats·min-1) VO2 Peak (L·min-1) SPO2 (%) Lactate Rest (mmol) % Fat (%) Minimum Maximum Average ± SD 73.4 177.0 54.0 3.2 98.0 1.5 7.7 91.6 198.0 79.0 3.9 99.0 3.9 10.4 78.73 ± 4.19 182.46 ± 3.42 74.52 ± 9.52 3.54 ± 0.43 98.82 ± 0.38 2.88 ± 0.55 9.22 ± 1.88 188 Table 2. Correlation between BRAMS Subscales and 4-Min Test Variables. Tension Depression Vigor Fatigue Confusion Anger r P r P r P r P r P r P Δ Lac Δ HR ΔSBP Δ DBP Δ SPO2 ARP SR MDT (mmol) (bpm) (mmHg) (mmHg) (%) (W·kg-1) (spm) (m) .41* .01 .34* .05 -.26 .14 .46** .01 .40* .02 .42* .01 .31 .08 .06 .74 .32 .07 .30 .08 .31 .08 .37* .03 -.06 .73 -.12 .49 .30 .08 -.03 .87 -.14 .42 -.17 .35 .20 .27 -.22 .22 .19 .28 -.07 .68 -.05 .79 .04 .83 .14 .42 -.28 .11 .13 .47 .13 .46 -.04 .83 -.10 .58 -.34 .05 -.02 .93 .07 .67 -.13 .47 .04 .81 -.07 .71 -.04 .80 .11 .53 .24 .18 .10 .57 .31 .07 .40* .02 -.11 .53 .12 .51 .24 .18 .04 .84 .32 .06 .26 .13 Δ = variation; Lac = Lactate; HR = Heart Rate; SAP = Systolic Blood Pressure; DAP = Diastolic Blood Pressure; ARP = Average Relative Power; SR = Stroke Rate; MDT = Maximum Distance Travelled; bpm = beats per minute; mmHg = millimeter Mercury; W·kg-1 = Watt per kilogram; spm = stroke per minute; m = meter; r = correlation value and P = significant; *Significant correlation for P<0.05 and **Significant correlation for P<0.01 DISCUSSION It was observed that there were significant differences when the highest loads were reached, thus indicating the sensitivity of the instrument associated with the intensity of the sports stimulus. Thus, it is suggested the sensitivity of the BRAMS test is a way to detect a change in mood states at different levels. In the state of calm and stability, training with moderate loads may show few changes in mood states. The correlation with “tension” was positively correlated with the variables: depression (r = 0.39, P = 0.02); anger (r = 0.63, P < 0.01); confusion (r = 0.57, P <0.01); and fatigue (r = 0.67, P<0.01). In addition, depression was positively correlated with tension, pre-test with anger (r = 0.34, P = 0.04), fatigue (r = 0.58, P<0.01), and confusion (r = 0.53, P<0.01). Rage was positively correlated with fatigue (r = 0.59, P<0.01), confusion (r = 0.55, P<0.01), and with tension and depression. The force factor did not present a correlation. These findings are in agreement with the findings of Terry and Lane (37), which indicate that the force factor correlated only with depression and fatigue. In the pre-test, the subjects’ fatigue presented a correlation with the previously highlighted items, tension, depression, and anger, and also with confusion (r = 0.73, P<0.01). Here, it is important to note that although these relationships can be observed to guarantee the sensitivity of the instrument, they should not be a correlation coefficient (r) very close to 1 or -1. This should not happen because a perfect correlation may indicate that the instrument is not capturing the nuances that differentiate mood states, but rather measures a general stress trend. 189 Regarding the physiological responses and biomechanics of the maximum 4-min test applied to the canoeing athletes. The lactate variation variable presented a greater number of positive associations, corroborating with Filho et al. (13) and Stevenson et al. (35) that suggest mood states can detect signs of fatigue and excessive training. The BRAMS questionnaire presented a significant predictive value of the stroke rate, although there was a correlation with the anger subscale only (r = 0.55, P = 0.02). Finally, it was shown that the tension variable, as it refers to the high musculoskeletal tension, which can be observed through psychomotor manifestations such as restlessness (38,39) leaves the athlete tense and/or trembling (19,21,30). High tension can be useful for sports performance. It is suggested that high levels may contribute to the generation of energy and the reduction of fatigue (5,22), which agrees with the findings in the present study. Likewise, the variable depression at high levels may reflect dissatisfaction with a particular event or situation (24-26). Also, anger is an emotional state that varies from feelings on a scale of mild irritation to cholera associated with autonomic nervous system stimuli (34,36,39, 44). Conversely, the variable vigor is characterized by the state of energy, animation, and activity, essential elements for the good performance of an athlete since it indicates a positive aspect of mood. Finally the variable, fatigue is described as a factor that can gradually change attention, concentration, and memory; also in mood disorders, irritability, and subsequently changes in sleep, physical tiredness, and inattention. Thus, it has repercussions in the process of initiation of problems of psychosomatic, physiological, and psychic order (5,13,16,29,31,32). CONCLUSIONS The discussion presented in this present study corroborates the literature (vigor, fatigue, tension, depression, confusion, and rage) that fits adequately with high-performance canoists, especially at 4-min maximum test. However, during competitions, the moderate increase in tension and anger can be considered positive, aiming at a better performance of these athletes at that specific time. In competitions, the guidelines should be related to the goals of the athlete, the concentration for the task to be performed, the feeling of control of the situation, and the autotelic experiences. These aspects can help keep the mood at appropriate levels to produce a better sports performance. Hence, with regards to the canoeing athlete and factors that influence their performance, the findings in this study indicate that the athletes’ mood state profile has a close relationship with their sports practice. This information can be viewed as an important tool that can be used by sports psychologists and exercise physiologists interested in producing the best sports performance. Future research should highlight these differences by discussing mood states of athletes in training and competition, providing a new perspective on data interpretation, as well as professional intervention. 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