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笔者在解剖1具老年男性尸体时,发现其右侧趾长伸肌变异,现报道如下: 该例趾长伸肌起于胫、腓骨上端的前面和小腿骨间膜的上份及小腿深筋膜,呈半羽状,在胫骨粗隆下方20.40 cm水平处移行为肌腱,肌腱向下经过小腿横韧带和小腿十字韧带深面,在内、外踝连线上方3.71 cm处分为2条:一条为第3腓骨肌腱,其穿经趾长伸肌腱鞘止于第5跖骨基底部的背侧;另一肌腱穿趾长伸肌腱鞘,在内、外踝连线下方2.85 cm处分为2个肌腱分别止于第4、5末节趾骨和中节趾骨背面。此外在趾长伸肌肌腹内前方与胫骨前肌之间见一独立小肌,此肌起始
The author in the dissection of an elderly male body, found that the right extensor extecosus variation, are reported as follows: The case of extensor digitorum longus from the tibia, fibula in front of the upper and the interosseous membrane and leg deep tendons Membrane, was semi-feather, in the tibial tuberosity below the level of 20.40 cm shift tendon, tendon down through the transverse ligament of leg and calf cruciate ligament deep, medial and lateral malleolus 3.71 cm above the line is divided into two: one for the 3 peroneal tendon, which goes through the long extensor tendon sheath to the dorsal side of the base of the fifth metatarsal; the other tendon toe extensor tendon sheath, the medial and lateral malleolus 2.85 cm below the line is divided into two tendons were stopped 4th and 4th distal phalanx and phalangeal back. In addition, in the extensor digitorum longus medial anterior and tibialis anterior muscle see an independent muscle, the muscle start