医学臂丛神经解剖图谱.ppt

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,*,*,-,*,-,臂丛神经解剖图谱,2,3,4,根(root),：C5T1.,分支（branches）,1.Nerve to serratus anterior(long thoracic N.),胸长神经,C5,6,7,2.Nerve to rhomboideus(dorsal scapular N.),肩胛背神经,C5,5,翼状肩winging of the scapular,胸长神经,受损原因：,Sudden pressure on the shoulder from above;carrying heavy loads on the shoulder,前锯肌,6,肩胛背神经,7,分支（branches）:仅从上干发出分支,Suprascapular,nerve,肩胛上神经,C5,6,Nerve to,subclavius,至锁骨下肌的神经,C5,6,干,：,Upper trunk 上干,middle trunk 中干,lower trunk 下干,8,肩胛上神经,9,股,：,anterior and posterior divisions前股和后股（此处无分支）,索,：,lateral,posterior and medial cords,前索、后索、外侧索,10,外侧索的分支C5,6,1.Lateral pectoral N.,胸外侧神经,C5,6,2.Musculocutaneous,肌皮神经,C5,6,3.Lateral root of median,正中神经的外侧根,11,肌皮神经,12,内侧索的分支C8,T1,1.Medial pectoral N.,胸内侧神经,2.Medial cutaneous N.of arm,臂内侧皮神经,3.Medial cutaneous N.of forearm,前臂内侧皮神经,4.Ulnar N.尺神经,5.,Medial root of median,正中神经的外侧根,13,正中神经,尺神经,14,后索的分支C5-T1,subscapular,N.,肩胛下神经,C5,6,2.,Thoracodorsal,N.,胸背神经,C7,8,3.,Axillary,N.,腋神经,C5,6,4.Radial N.,桡神经,C5-T1,15,subscapular N.,肩胛下神经,Axillary,N.,腋神经,Radial N.,桡神经,16,胸背神经 背阔肌,17,正中神经,18,皮支,19,猿手,肌支,除肱桡肌（桡神经）、尺侧腕屈肌、指深屈肌尺侧半（尺神经）以外所有前臂前群肌,鱼际肌（拇收肌尺神经）1、2蚓状肌,20,21,22,尺神经,23,皮支,24,肌支,尺侧腕屈肌,指深屈肌尺侧半,拇收肌,小鱼际,骨间肌,3.4蚓状肌,爪形手,25,桡神经,肌支,肱三头肌,肱桡肌,前臂后群肌,垂腕,26,27,皮支,28,Undue separation of the head from the shoulder,：,产伤；肩部受伤；麻醉期,2.,瘫痪的肌肉：三角肌、肱二头肌、肱肌、肱桡肌；,部分的冈上肌、冈下肌、旋后肌,Erbs 点,臂丛的损伤Lesions of the Brachial Plexus,Erbs paralysis,麻痹(upper trunk),policemans tip hand or porters tip hand,29,Undue,abduction of the arm,2.,瘫痪的肌肉：,intrinsic M.of the hand(,手内肌,T1),；,ulnar,flexors of the wrist and fingers(,尺侧屈腕和屈指肌,C8),3.Claw hand(,爪形手,),：,hyperextension at the,metacarpophalangeal,jt,and flexion at the,interphalangeal,jt,Klumpkes paralysis,麻痹(lower trunk),30,1.Dislocation of humerus肩关节脱位,2.涉及到的神经：musculocutaneous N.肌皮神经；lateral root of median正中神经的外侧根,3.瘫痪的肌肉：肱二头肌、喙肱肌；除了手肌之外由正中神经支配的肌肉。,4.不能屈腕、屈肘，前臂桡侧感觉缺失。,Injury to lateral cord 外侧束的损伤,31,1.Subcoracoid dislocation of humerus肩关节喙突下脱位,2.涉及到的神经：ulner N.尺神经；medial root of median正中神经的内侧根,3.瘫痪的肌肉：尺神经所支配的肌肉；正中神经支配的5块手肌。,4.爪形手；手和前臂尺侧感觉缺失。,Injury to medial cord 内侧束的损伤,32,