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KMID : 1211620090040040275
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Journal of the Korean Society of Physical Medicine
2009 Volume.4 No. 4 p.275 ~ p.280
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Analysis of Biomechanics for Pinch Strength due to Elbow Flexion Degree
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Noh Tae-Hwan
Kwon Eun-Hwa
Park Eun-Eun
Lee Hang-Eun
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Abstract
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Purpose: We have investigated to analysis biomechanics for pinch strength due to elbow flexion degree.
Methods: Pinch strength was measured by Electro Dynamometer(G-100) using four elbow flexion degree (, , , ).
Results: In experimental results, we found that pinch strengths were 5.4kg(), 4.8kg(), 5.6kg() and 5.2kg(), respectively. The Pinch strengths got maximum at degree, minimum at degree. We have calculated F1 values using T=0. As a result F1 values were 540N(), 480N(), 560N() and 520N(), respectively. F1 values got maximum at degree, minimum at degree. Data curve line of values was increased in 45~90 section and decreased in 0~45, 90~135 sections, respectively.
Conclusion: (Flexor digitorum superficialis and profundus) values were 10 times bigger than pinch strengths. Data curve line of values was similar to active length-tension curve in 45~90, 90~135 sections.
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KEYWORD
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Analysis of biomechanics, Pinch strength, Active length-tension curve
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