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KMID : 1206220130200010061
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Journal of Korean Academy of Physical Therapy Science
2013 Volume.20 No. 1 p.61 ~ p.67
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The Effects of Using Powerball Exercise on Grip Strength, Tip Pinch and Key Pinch of Normal Men and Women in 20’s
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Jung Chul-Hyun
Son Kyung-Hyun
Yoo Byung-Kook
Choi Won-Jye
Jeon Jae-Keun
O Se-Min
Gim Ji-Yun
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Abstract
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Purpose : The purpose of this paper is to figure out the effects of the Powerball exercise on grip strength, tip pinch and key pinch.
Methods : Twenty subjects participated in this experiment. Spin right wrist counterclockwise for five minutes holding Powerball after making main joint of right hand -predominant hand- into elbow flexion and forearm pronation.
Results : 1. Before and after Powerball exercise, when we compared the grip strength of men and women, there was a significant difference. 2. Before and after Powerball exercise, when we compared tip pinch of men and women, there was a significant difference. 3. Before and after Powerball exercise, when we compared key pinch of men and women, there was a significant difference. 4. Before and after Powerball exercise, there was no significant difference between men and women.
Conclusion : From what using Powerball exercise influenced grip strength, tip pinch and key pinch positively, we assume that it will be considered a great expectation to improve grip strength, tip pinch and key pinch in the future and it would be better to conduct this experiment in depth to a lot of people.
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KEYWORD
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Grip strength , Key pinch , Powerball exercise , Tip pinch
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