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示指固有伸肌及指伸总肌肌腱共同止于中节指骨底的背面,在此行成肌腱扩张部接受蚓状肌止腱及骨间肌止腱共同行成伸肌腱帽,起伸指功能。临床上因示指伸肌先天性缺如而影响伸指功能的极为罕见,我院于1997年6月收治1例先天性示指伸肌缺如,行伸指功能重建术,术后3个月复查,右示指活动范围正常。 患儿,男,7岁。因自幼右手示指伸指功能障碍入院。检查:右手大小与左手相同,右手各指感觉、血运及拇中环小指活动均正常,但示指掌指关节及近指间关节主动伸指受限,屈曲正常,被动活动范围正常;远指间关节主被
Indigenous extensor and extensor tendon extensor tendon common to the back of the middling phalanx at the bottom, in which the line of tendon dilatation to accept the earthshaft tendon and interosseous muscle tendon common extensor tendon cap, stretching function . Clinically due to referral extensor congenital absence of the function of the extensor function is extremely rare, our hospital in June 1997 admitted to a case of congenital absence of the index finger extensor, line extension finger reconstruction surgery, 3 months after the review , Right refers to the normal range of activities. Children, male, 7 years old. Due to his right hand finger extensor dysfunction admitted to hospital. Check: the right hand the same size as the left hand, the right hand finger feeling, blood supply and thumb middle finger little finger movement are normal, but the index finger metacarpophalangeal and interphalangeal joint active extension is limited, normal flexion, passive range of motion normal; The main joint was