Previous investigations have shown the benefits of
aerobic dance and bench step training programs. Their main
focus has been to examine cardiovascular improvements and
caloric expenditure during these activities. Therefore, the
purpose of this study was to examine the effects of exercise
mode on isokinetic strength, power, and endurance of the
quadriceps. Twenty-nine non-smoking, free from history of
knee pathology, non-physically active females (20.6 ± 2.8
years, 160.6 ± 4.9 cm, 61.9 ± 16.5 kg) volunteered for this
investigation. Non-randomized testing procedures were
performed due to the nature of the study. Of the 29
subjects, there were n=11 in the step Aerobic (SA) group,
n=8 in the High Impact (HI) group, and n=10 in the Control
(CT) group. Subjects were tested twice for quadriceps
muscle function utilizing the following isokinetic tests: Peak Torque (PT) , Peak Torque to Body Weight Ratio (PTBW),
Average Power (AVP) , and Endurance Ratio (END) on the Cybex
11+ isokinetic machine before and after the 12-weeks of
exercise training.
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