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KMID : 1142420220200010073
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PNF and Movement
2022 Volume.20 No. 1 p.73 ~ p.81
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C omparison o f G rip F orce, C oordination, a nd D exterity B etween D ominant a nd Non-dominant Hand According to Gender
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Park Chan-Hyun
Son Ho-Hee
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Abstract
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Purpose: The aim of this study was to present specific criteria for setting goals for hand rehabilitation by comparingthe degree of difference in grip force, coordination, and dexterity between the dominant and non-dominant hand accordingto gender.
Methods: We recruited 100 healthy adults in their 20s and 30s. A handheld digital dynamometer was used to evaluatethe grip force of each of the dominant and non-dominant hand, a chopsticks manipulation test was used to evaluatecoordination, and the Purdue Pegboard test was used to evaluate agility.
Results: In all subjects, the grip force, coordination, and dexterity showed statistically significant difference (p <0.01)between the dominant and non-dominant hand. In the comparison according to gender, both male and female dominantand non-dominant hands showed statistically significant differences in grip force, coordination, and dexterity (p <0.01). In the comparison according to grip force, there was a statistically significant difference between the dominant andnon-dominant hand, and men showed stronger result values in both hands compared to women (p <0.01). In the comparisonaccording to coordination, there was no statistically significant difference between the dominant and non-dominant handin men and women (p >0.05). In the comparison according to dexterity, there was a statistically significant differencebetween the dominant and non-dominant hand, and women were shown to be faster in performance time with bothhands, compared to men (p <0.01).
Conclusion: Differences according to gender exist in grip force and dexterity but not coordination, and differences betweendominant and non-dominant hand exists across all measurements. The results suggest setting a recovery goal according to dominance and gender during rehabilitation of hand function.
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KEYWORD
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Dominant hand, Non-dominant hand, Grip force, Coordination, Dexterity
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