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Abstract

International Journal of Exercise Science 7(1) : 54-61, 2014. Music has been identified as a motivational tool in physical activity and associated with improved performance in aerobic and anaerobic exercise. However, the effects of music on isokinetic strength testing have not been examined. The purpose of this study was to measure the difference in lower limb isokinetic force output in males and females when exposed to a motivational environment (arousing music) and non-motivational environment (silence). A 2 x 2 analysis of variance (group x gender) was used with participants (n = 19; 12 male, 7 female) serving as their own control. Participants performed 5 isokinetic concentric repetitions of knee extension and knee flexion at a set velocity of 60°/sec in both a non-music trial and music trial. Testing order was randomized to control for learning effect. No significant interactions were found for both the flexion and extension conditions (p > .05); however, there was a main effect for gender on the extension variable (p < .05). The authors concluded that music had no effect on lower limb force output in either males or females. The study may have been limited by a number of confounding effects, warranting a repeated yet enhanced research design of the study. Strength coaches, athletic trainers, and injury rehabilitation specialists (e.g., physical therapists) can use knowledge of this topic when working with clients and patients who are unmotivated to continue treatment. Music may not serve as an enhancer of patient or athlete performance in isokinetic testing or maximal isokinetic performance, but it may serve to increase enjoyment of otherwise monotonous activity.

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