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KMID : 1211620130080040647
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Journal of the Korean Society of Physical Medicine
2013 Volume.8 No. 4 p.647 ~ p.653
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The Effects of Squatting Exercise with Gym Ball and Wall on Lower Extremity Muscles Activation
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오태영:Oh Tae-Young
저자없음:No authors listed
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Abstract
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PURPOSE : The purpose of this study was to compare the lower extremities muscle activation between squatting exercise with gym ball and wall for improving muscle strengthening in lower extremities.
METHODS: Participants were 21 university students (males 10, females 11) who didn’t have any problem with orthopedic surgery. Participants performed squatting exercise with gym ball and wall. Squatting exercise with gym ball were performed using by gym ball behind back, and the gym ball were fixed in back and wall. We asked participants to push back the gym ball slightly to prevent fall of ball. Wall squatting exercise, we ask participants to contact their back in wall slightly in order to prevent trunk flexion during performed squatting exercise. Each squatting exercise had
performed until knee joint were flexed at 60 degree, and maintained five seconds. We collected data from E.M.G of
Biceps femoris, Gastrocnemius, Vastus medialis and lateralis, Tibialis anterior of lower extremity in isometric phase of knee joint angle 60 degree of each squatting exercise. We analysed data using by ANOVA and independent t-test of SPSS PC ver.20.0 in order to compare the muscle activation between squatting exercise with gym ball and wall.
RESULT : All of lower extremities muscle activation showed more higher value in squatting exercise with gym ball than squatting exercise with wall, especially there was significantly difference of muscle activation in vastus medialis, tibialis anterior between squatting exercise with gymball and with wall.
CONCLUSION : On comprehensively considering the results of the present study, we suggested that squatting exercise with gym ball was more effective method improving lower extremity muscle strengthening
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KEYWORD
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Squatting exercise, Gym ball, Muscle activation
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