檢視拇长展肌的原始碼

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| style="background: #008080" align= center|  '''<big>拇长展肌</big> '''

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[[File:Timg77CVBNM,.jpg|缩略图|居中|[https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1605086109788&di=1ba1d24be66bddae06543c8c64a7c4b2&imgtype=0&src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20180724%2F51e75ba2ada5409b9edd35b01d5b5e50.jpeg原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%8B%87%E9%95%BF%E5%B1%95%E8%82%8C&step_word=&hs=0&pn=10&spn=0&di=45760&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=3442109758%2C782666837&os=1074191842%2C2734688956&simid=0%2C0&adpicid=0&lpn=0&ln=428&fr=&fmq=1605075951263_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20180724%2F51e75ba2ada5409b9edd35b01d5b5e50.jpeg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bf5i7_z%26e3Bv54AzdH3FwAzdH3Fd9na0cnmd_mcnbn8&gsm=b&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 来自 百度 的图片]]]

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拇长展肌，起自桡骨、尺骨的背面和前臂骨间膜,走行于桡侧腕伸肌、指伸肌的深面和拇短伸肌的上方,在伸肌支持带深层,拇长展肌与拇短伸肌腱走行于同一个[[纤维鞘]]中,随后拇长展[[肌腱]]向下止于第一掌骨底。