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KMID : 1206220180250020035
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Journal of Korean Academy of Physical Therapy Science
2018 Volume.25 No. 2 p.35 ~ p.46
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Effects of Sit Up Exercise using Gym Ball Unit on Lower Extremity Muscle Strength
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An Jung-Ae
Lee Jin
Bang Hyun-Soo
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Abstract
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Purpose: The purpose of this study is to examine the effects of sit-up exercise using gym ball unit on lower extremity strength.
Method: Subjects consisted of 12 G University student (Male:6/Female:6) aged 23~26 years. The experiment progressed with 2 groups according to different size gym balls. and diameter of each gym ball is 45cm / 65cm. The measurement of strength of lower extremity was taken by isokinetic exercise machine(Biodex Medical, Inc, USA)
Result: The results of this study were as follow. There were not different of Peak torque and Average Power between 65cm gymball and 45cm gymball. in other words using the 45cm gym ball and 65cm gym ball sit-up exercise were both effective for strengthening of lower extremity.
Conclusion: Sit-up exercise on all of less than 65cm gym ball was effective for strengthening of lower extremity, furthermore it was helpful for keeping uprighting posture also it is affect on abdominal strengthening. As a result sit-Up Exercise Using Gym Ball is effective for a person with weak lower extremity and a person need uprighting posture.
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KEYWORD
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Gymball, Lower Extremity Strength
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