臂后区、前臂后区深层和手背的解剖

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 12,Posterior arm,、,posterior forearm,、,dorsum of hand,臂后区、前臂后区深层和手背的解剖,Lecturer,：,Ma,jian,min,Department of Anatomy, Medical college of,Nanchang,university,一、,Muscle,肌肉,1,.,Posterior group muscle of arm,(,臂后群肌,),Triceps,brachii,(,肱三头肌,),Function,(,作用,),：,extensor of elbow joint,(,伸肘关节,),。,Supply of nerve,(,神经支配,),：,The radial nerve,(,桡神经,),。,2,.,Posterior group muscles of forearm,(,前臂后群肌,),They can be divided into,twolayers:superficial,and deep layer,(,分浅、深两层,),：,Superficial layer,(,浅层,5,块,),from radial to,ulnar,(,自桡侧向尺侧依次为,):,Extensor,carpi,radialis,longus,(,桡侧腕长伸肌,),Extensor,carpi,radialis,brevis,(,桡侧腕短伸肌,),Extensor,digitorum,(,指伸肌,),Extensor,digiti,minimi,(,小指伸肌,),Extensor,carpi,ulnaris,(,尺侧腕伸肌,),Deep layer,(,深层,5,块,),：,Supinator,(,旋后肌,),Abductor,pollicis,longus,(,拇长展肌,),Extensor,pollicis,brevis,(,拇短伸肌,),Extensor,pollicis,longus,(,拇长伸肌,),Extensor,indicis,(,示指伸肌,),Supply of nerve,(,神经支配,),：,The radial nerve,(,桡神经,),“锤状指”，“弹响指”，“网球肘”,二,、,Vessels and nerve,(,神经和血管,),1.Radial nerve,(,桡神经,),Deep branch of radial nerve and posterior,interosseous,nerve,(,桡神经深支及骨间后神经,),桡神经损伤的症状,2,.,Deep brachial artery,(,肱深动脉,),3.Posterior,interosseous,artery,(,骨间后动脉,),4.Radial artery,(,桡动脉,),Snuff box,鼻烟窝,Boundary:,Radial side:,桡侧界,Abductor,pollicis,longustendon,(,拇长展肌腱,),and,Extensor,pollicis,brevis,tendon,(,拇短伸肌腱,),；,Ulnar,side:,尺侧界,Extensor,pollicis,longus,tendon,(,拇长伸肌,),；,Basal side:,Extensor,retinaculum,(,伸肌支持带,),桡动脉绕过桡骨茎突潜入窝内。窝底从近侧向远侧依次为桡骨茎突、腕关节、手舟骨和大多角骨,