<P>Concentric contraction of the flexor pollicis longus drew the palmar side of the thumb closer to the anterior aspect of the radius, while concentric contraction of the flexor pollicis brevis drew the anterior aspect of the thumb closer to the anterior aspect of the wrist joint. Concentric contraction of the opponens pollicis muscle brought the thumb in opposition to digits two and three, completing the three-jaw chuck grip.</P>
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<P>번역좀해주세요 ㅜ</P>
<P> 너무급해서 그럽니다,,</P>
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