Journal of Korean Physical Therapy Science (대한물리치료과학회지)

Korean Physical Therapy Science (대한물리치료과학회)
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Effects of Sit Up Exercise using Gym Ball Unit on Lower Extremity Muscle Strength

짐볼 크기에 따른 윗몸 일으키기 운동이 하지 근력에 미치는 영향

  • An, Jung-Ae (Dept. of physical therapy, Seoul Now Hospital) ;
  • Lee, Jin (Dept. of physical therapy, Hyunmyoung Medical Center) ;
  • Bang, Hyun-Soo (Dept. of physical therapy, Gimcheon University)
  • Received : 2018.08.21
  • Accepted : 2018.09.21
  • Published : 2018.09.30
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Abstract

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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References

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