臂后區(qū)、前臂后區(qū)深層和手背的解剖

1、Unit 12Posterior arm、posterior forearm、dorsum of hand 臂后區(qū)、前臂后區(qū)深層和手背的解剖臂后區(qū)、前臂后區(qū)深層和手背的解剖 Lecturer：Ma jian min Department of Anatomy, Medical college of Nanchang university 一、一、Muscle 肌肉肌肉1 1.Posterior group muscle of arm(臂后群肌臂后群肌) Triceps brachii (肱三頭肌) Function Function (作用)： extensor of elbow jointe

2、xtensor of elbow joint (伸肘關節(jié))。 Supply of nerveSupply of nerve(神經(jīng)支配)： The radial nerveThe radial nerve(橈神經(jīng))。Posterior group muscles of forearm(前臂后群肌前臂后群肌) ) They can be divided into They can be divided into twolayers:superficialtwolayers:superficial and and deep layerdeep layer( (分淺、深兩層分淺、深兩層) )： Sup

3、erficial layerSuperficial layer( (淺層5塊), from from radial to ulnarradial to ulnar(自橈側向尺側依次為): Extensor carpi radialis longus ( (橈側腕長伸肌橈側腕長伸肌) ) Extensor carpi radialis brevis ( (橈側腕短伸肌橈側腕短伸肌) ) Extensor digitorum ( (指伸肌指伸肌) ) Extensor digiti minimi ( (小指伸肌小指伸肌) ) Extensor carpi ulnaris ( (尺側腕伸肌尺側腕伸肌

4、) ) Deep layerDeep layer( (深層深層5 5塊塊) )： Supinator(旋后肌旋后肌) ) Abductor pollicis longus (拇長展肌拇長展肌) ) Extensor pollicis brevis ( (拇短伸肌拇短伸肌) ) Extensor pollicis longus (拇長伸肌拇長伸肌) ) Extensor indicis (示指伸肌示指伸肌) ) Supply of nerve(神經(jīng)支配)： The radial nerve(橈神經(jīng))“錘狀指錘狀指”，“彈響指彈響指”，“網(wǎng)球網(wǎng)球肘肘”二二、Vessels and nerve(神經(jīng)

5、和血管神經(jīng)和血管) )1.Radial nerve1.Radial nerve( (橈神經(jīng)橈神經(jīng)) ) Deep branch of radial nerve and posterior Deep branch of radial nerve and posterior interosseousinterosseous nerve nerve( (橈神經(jīng)深支及骨間后神經(jīng)橈神經(jīng)深支及骨間后神經(jīng)) ) 橈神經(jīng)損傷的癥狀橈神經(jīng)損傷的癥狀2.Deep brachial arteryDeep brachial artery( (肱深動脈肱深動脈) )3.Posterior interosseous3.P

6、osterior interosseous artery artery( (骨間骨間后動脈后動脈) )4.Radial artery4.Radial artery( (橈動脈橈動脈) ) Snuff box鼻煙窩 Boundary:Radial side:Radial side:橈側界橈側界 Abductor pollicis longustendon( (拇長展肌腱拇長展肌腱) ) and Extensor pollicis brevis tendon(拇短伸肌腱拇短伸肌腱) )；UlnarUlnar side: side:尺側界尺側界 Extensor pollicis longus tendon (拇長伸肌拇長伸肌) )；Basal side:Basal side:Ex