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Full-Text Articles in Life Sciences
Effects Of Foot Position During Squatting On The Quadriceps Femoris: An Electromyographic Study, Nicholas Murray, Daniel Cipriani, Denise O'Rand, Rebecca Reed-Jones
Effects Of Foot Position During Squatting On The Quadriceps Femoris: An Electromyographic Study, Nicholas Murray, Daniel Cipriani, Denise O'Rand, Rebecca Reed-Jones
Daniel Cipriani
International Journal of Exercise Science 6(2) : 114-125, 2013. Weightlifters have commonly believed that changing joint position can alter specific muscle activation. The magnitude of force produced by a muscle is highly dependent upon the length of the muscle. The purpose of this study was to determine the effect of foot positioning on muscle activation of the superficial quadriceps as measured by surface electromyography (sEMG) during a functional squatting movement in healthy adults. Twenty physically active asymptomatic adults (7 females and 13 males) were included in the study while four different foot positions (Neutral, Internally Rotated, Externally Rotated, and Staggered) …
Knowledge And Attitudes Of University Female Athletes About The Female Athlete Triad, James D. Ramsay
Knowledge And Attitudes Of University Female Athletes About The Female Athlete Triad, James D. Ramsay
James D. Ramsay
Since the Female Athlete Triad was published in 1992, many efforts have been made to alert the athletic community about the relationship which is shared by disordered eating, amenorrhea and osteoporosis. The knowledge of athletes was investigated at three Midwestern universities regarding the female athlete triad. A total of 189 athletes from two Division III institutions and one Division I institution participated. Overall the subjects had normal height, weight, and body mass index. Most athletes knew they were at risk for osteoporosis at their age, however they did not understand the association it had with amenorrhea. At the Division I …