1、-1-,臂 叢 Nerves of the upper limb:Brachial plexus,-2-,-3-,-4-,-5-,根(root)：C5～T1.分支（branches）1.Nerve to serratus anterior (long thoracic N.)胸長神經(jīng)C5,6,72. Nerve to rhomboideus (dorsal scapular N.)肩胛背神經(jīng)C5,-6-,翼狀肩wingin

2、g of the scapular,胸長神經(jīng),受損原因：Sudden pressure on the shoulder from above; carrying heavy loads on the shoulder,前鋸肌,-7-,肩胛背神經(jīng),-8-,分支（branches）:僅從上干發(fā)出分支Suprascapular nerve肩胛上神經(jīng)C5,6Nerve to subclavius至鎖骨下肌的神經(jīng)C5,6,,,干：Uppe

3、r trunk 上干middle trunk 中干lower trunk 下干,-9-,肩胛上神經(jīng),-10-,股：anterior and posterior divisions前股和后股（此處無分支）,索：lateral, posterior and medial cords前索、后索、外側(cè)索,-11-,外側(cè)索的分支C5,61.Lateral pectoral N.胸外側(cè)神經(jīng)C5,62. Musculocutaneo

4、us肌皮神經(jīng)C5,63. Lateral root of median正中神經(jīng)的外側(cè)根,,,,,,,-12-,,,肌皮神經(jīng),-13-,內(nèi)側(cè)索的分支C8,T11.Medial pectoral N.胸內(nèi)側(cè)神經(jīng)2. Medial cutaneous N. of arm臂內(nèi)側(cè)皮神經(jīng)3. Medial cutaneous N. of forearm前臂內(nèi)側(cè)皮神經(jīng)4. Ulnar N. 尺神經(jīng)5. Medial roo

5、t of median正中神經(jīng)的外側(cè)根,,,,,,-14-,,,,,正中神經(jīng),,尺神經(jīng),-15-,后索的分支C5-T1subscapular N.肩胛下神經(jīng)C5,62. Thoracodorsal N.胸背神經(jīng)C7,83. Axillary N. 腋神經(jīng)C5,64. Radial N. 橈神經(jīng)C5-T1,,,,,,-16-,,,,subscapular N.肩胛下神經(jīng)Axillary N. 腋神經(jīng)Radial

6、 N. 橈神經(jīng),-17-,胸背神經(jīng) 背闊肌,,,-18-,正中神經(jīng),-19-,,皮支,-20-,猿手,肌支,除肱橈肌（橈神經(jīng)）、尺側(cè)腕屈肌、指深屈肌尺側(cè)半（尺神經(jīng)） 以外所有前臂前群肌 魚際?。词占〕呱窠?jīng)） 1、2蚓狀肌,-21-,-22-,-23-,尺神經(jīng),-24-,皮支,-25-,肌支,尺側(cè)腕屈肌 指深屈肌尺側(cè)半拇收肌 小魚際 骨間肌 3.4蚓狀肌,爪形手,-26-,橈神經(jīng),肌支,肱三頭肌 肱橈肌 前臂后群

7、肌,垂腕,-27-,-28-,皮支,-29-,Undue separation of the head from the shoulder： 產(chǎn)傷；肩部受傷；麻醉期2. 癱瘓的肌肉：三角肌、肱二頭肌、肱肌、肱橈?。?部分的岡上肌、岡下肌、旋后肌,Erb’s 點,臂叢的損傷Lesions of the Brachial Plexus Erb’s paralysis 麻痹(upper trunk),‘

8、policeman’s tip hand’ or ‘porter’s tip hand’,-30-,Undue abduction of the arm2. 癱瘓的肌肉：intrinsic M. of the hand(手內(nèi)肌T1)；ulnar flexors of the wrist and fingers(尺側(cè)屈腕和屈指肌C8)3. Claw hand(爪形手)：hyperextension at the metacarpo

9、phalangeal jt and flexion at the interphalangeal jt,Klumpke’s paralysis麻痹(lower trunk),-31-,1.Dislocation of humerus肩關(guān)節(jié)脫位2. 涉及到的神經(jīng)：musculocutaneous N.肌皮神經(jīng)；lateral root of median正中神經(jīng)的外側(cè)根3.癱瘓的肌肉：肱二頭肌、喙肱?。怀耸旨≈庥烧猩窠?jīng)支配的

10、肌肉。4.不能屈腕、屈肘，前臂橈側(cè)感覺缺失。,Injury to lateral cord 外側(cè)束的損傷,-32-,1. Subcoracoid dislocation of humerus肩關(guān)節(jié)喙突下脫位2. 涉及到的神經(jīng)：ulner N.尺神經(jīng)；medial root of median正中神經(jīng)的內(nèi)側(cè)根3.癱瘓的肌肉：尺神經(jīng)所支配的肌肉；正中神經(jīng)支配的5塊手肌。4.爪形手；手和前臂尺側(cè)感覺缺失。,Injury to