In using both hands, everyone dominantly use one hand and it is called left-handedness or right-handedness person. Measurements of grip and pinch strength provide objective indexes to represent functional integrity of the upper extremity. This study was conducted for thirty female college students(19 right-handedness and 11 lefthandedness). For assessment of the type of handedness, questionnaire was used; for grip strength, Jamar dynamometer was used; for pinch strength, Jamar pinch gauge was used. In right handedness, the grip and pinch strength of the dominant right hand was significantly higher than those of the non-dominant hand. In addition, regular exercises were shown to give influences on reduction of strength gaps between dominant and non-dominant hands. In both groups of left and right handedness, the grip and pinch strength of the dominant hand were significantly higher than those of the non-dominant hand, and regular exercises were shown to give influences on reduction of strength gaps between dominant and non-dominant hand.

• JI Sung Kim(Suwon Women's College)
• Sa Gyeom Lee(Suwon Women's College)
• Sung Kyu Park(Korea University Ph. D Candidate)
• Sang Min Lee(Hyoja Hospital)
• Bo Kyung Kim(Noblesses Hospital)
• Jung Hyun Choi(Namseoul University)
• Soon Hee Kim(Yongin University)