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(一)在150側國人上肢中,拇長展肌有副腱者爲140側,佔93.3％,無副腱者10側,佔6.7％,拇長展肌有一個副腱者爲97側,佔64.7％,有兩個副腱者爲43側,佔28.7％。拇短伸肌僅2側有副腱,佔1.3％。 (二)拇長展肌與拇短伸肌肌腱同位於一個骨性纖維管內者爲59側,佔39.4％,分別位於兩個不同的骨性纖維管者爲12側,佔8％,遠側1/2不同管者32側,佔21.3％,遠側1/3(或不及1/3)不同管者47側,佔31.3％。 (三)拇長展肌肌腱與副腱的抵止範圍頗爲廣泛,且非常錯綜複雜,僅3側(2％)與一般敎科書的描述相符,其餘147側(98％)在不同程度上分別抵止於第一掌骨底、拇短展肌、拇指腕掌關節囊、大多角骨、拇指對掌肌、魚際筋膜及舟骨。
(1) In 150 upper limbs of the Chinese side of the thumb, there are 140 tendons with accessory tendons, accounting for 93.3%. There are 10 tendons without tendons, accounting for 6.7% Accounting for 64.7%, with 43 cases of two accessory tendons, accounting for 28.7%. Short extensor hallux extensor only 2 tendons, accounting for 1.3%. (B) the thumb long extensor and thumb extensor tendon with the same side of a skeletal fiber tube in 59 sides, accounting for 39.4%, respectively, located in two different fibers of the bony canal 12, accounting for 8%, far On the side of 1/2 different tubes, 32 sides accounted for 21.3%, and 1/3 (or less than 1/3) of the tubes had 47 sides, accounting for 31.3%. Third, the extensor hallucis longus tendon and accessory tendon to reach a very wide range, and very complex, only 3 sides (2%) consistent with the general description of the book, the other 147 sides (98%) to varying degrees Respectively to the first metacarpal floor, thumb extensor, thumb wrist joint capsule, the greater angle bones, the thumb of the paw muscle, fascia and scaphoid.