Evaluation and Assessment of Leg Muscle Activity and Fatigue Accross two Popular Step Test Exercises
Journal Title: Biology of Exercise - Year 2017, Vol 13, Issue 1
Abstract
electromyography (emG) provides inside access to physiological and electrical responses during muscular activity. step tests [harvard step Test (hsT) and Queen’s College step Test (QCT)] appear to be simple to administer, valid method to assess cardiovascular fitness and estimate maximal aerobic capacity (VO2max). The physiological consequences of these tests were not evaluated through assessment of muscular activities and state of fatigue of the active muscles. The study was aimed to examine the muscle activity during two popular step tests. eight physically fit male university students participated in the study. emG of leg muscles were recorded by Delsys semG system. Four pairs of leg muscles such as vastus medialis, hamstrings, tibialis anterior and gastrocnemius of both legs were evaluated. During hsT there was significant increase in amplitude of contraction in both right and left leg muscles. Insignificant decrease in frequency domain was observed during hsT in comparison to QCT which predicted chances of fatigue. The study concluded hsT puts more strain on musculoskeletal system than QCT, which becomes preferred choice as a mean of evaluating physical fitness in field conditions.
Authors and Affiliations
Thukral hImanshu| Ergonomics Department, Defence Institute of Physiology & Allied Sciences, Lucknow road, Timarpur, Delhi, INDIA, ChaTTerjee TIrThankar| Ergonomics Department, Defence Institute of Physiology & Allied Sciences, Lucknow road, Timarpur, Delhi, INDIA, BhaTTaCharYYa DeBOjYOTI| Ergonomics Department, Defence Institute of Physiology & Allied Sciences, Lucknow road, Timarpur, Delhi, INDIA, ChaTTerjee suBhOjIT| Ergonomics Department, Defence Institute of Physiology & Allied Sciences, Lucknow road, Timarpur, Delhi, INDIA, sen suranjana| Ergonomics Department, Defence Institute of Physiology & Allied Sciences, Lucknow road, Timarpur, Delhi, INDIA, Pal suDan maDhu| Ergonomics Department, Defence Institute of Physiology & Allied Sciences, Lucknow road, Timarpur, Delhi, INDIA
Keywords
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- EP ID EP15896
- DOI https://doi.org/10.4127/jbe.2017.0117
- Views 349
- Downloads 22
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