1、-1-臂臂 叢叢 Nerves of the upper limb:Brachial plexus-2-3-4-5-根根(root)：C5T1.分支（分支（branches）1.Nerve to serratus anterior (long thoracic N.)胸長(zhǎng)神經(jīng)胸長(zhǎng)神經(jīng)C5,6,72. Nerve to rhomboideus (dorsal scapular N.)肩胛背神經(jīng)肩胛背神經(jīng)C5-6-翼狀肩翼狀肩winging of the scapular胸長(zhǎng)神經(jīng)胸長(zhǎng)神經(jīng)受損原因：受損原因：Sudden pressure on the shoulder from above; ca

2、rrying heavy loads on the shoulder前鋸肌前鋸肌-7-肩胛背神經(jīng)肩胛背神經(jīng)-8-分支（分支（branches）:僅從上干發(fā)出分支僅從上干發(fā)出分支Suprascapular nerve肩胛上神經(jīng)肩胛上神經(jīng)C5,61. Nerve to subclavius至鎖骨下肌的神經(jīng)至鎖骨下肌的神經(jīng)C5,6干干：Upper trunk 上干上干middle trunk 中干中干lower trunk 下干下干-9-肩胛上神經(jīng)肩胛上神經(jīng)-10-股股：anterior and posterior divisions前股前股和后股（此處無分支）和后股（此處無分支）索索：latera

3、l, posterior and medial cords前索、后索、外側(cè)索前索、后索、外側(cè)索-11-外側(cè)索的分支外側(cè)索的分支C5,61.Lateral pectoral N.胸外側(cè)神經(jīng)胸外側(cè)神經(jīng)C5,62. Musculocutaneous肌皮神經(jīng)肌皮神經(jīng)C5,63. Lateral root of median正中神經(jīng)的外側(cè)正中神經(jīng)的外側(cè)根根-12-肌皮神經(jīng)肌皮神經(jīng)-13-內(nèi)側(cè)索的分支內(nèi)側(cè)索的分支C8,T11.Medial pectoral N.胸內(nèi)側(cè)神經(jīng)胸內(nèi)側(cè)神經(jīng)2. Medial cutaneous N. of arm臂內(nèi)側(cè)皮神經(jīng)臂內(nèi)側(cè)皮神經(jīng)3. Medial cutaneous N.

4、 of forearm前臂內(nèi)側(cè)皮神經(jīng)前臂內(nèi)側(cè)皮神經(jīng)4. Ulnar N. 尺神經(jīng)尺神經(jīng)5. Medial root of median正中神經(jīng)的外側(cè)根正中神經(jīng)的外側(cè)根-14-正中神正中神經(jīng)經(jīng)尺神經(jīng)尺神經(jīng)-15-后索的分支后索的分支C5-T1subscapular N.肩胛肩胛下神經(jīng)下神經(jīng)C5,62. Thoracodorsal N.胸胸背神經(jīng)背神經(jīng)C7,83. Axillary N. 腋神經(jīng)腋神經(jīng)C5,64. Radial N. 橈神經(jīng)橈神經(jīng)C5-T1-16-subscapular N.肩胛下神經(jīng)肩胛下神經(jīng)Axillary N. 腋神經(jīng)腋神經(jīng)Radial N. 橈神經(jīng)橈神經(jīng)-17-胸背神經(jīng)胸背

5、神經(jīng) 背闊肌背闊肌-18-正中神經(jīng)正中神經(jīng)-19-皮支皮支-20- 猿手猿手肌支肌支除肱橈?。锷窠?jīng)）、尺除肱橈?。锷窠?jīng)）、尺側(cè)腕屈肌、指深屈肌尺側(cè)側(cè)腕屈肌、指深屈肌尺側(cè)半（尺神經(jīng)）半（尺神經(jīng)） 以外所有前以外所有前臂前群肌臂前群肌 魚際?。词占〕呱窠?jīng)）魚際肌（拇收肌尺神經(jīng)） 1、2蚓狀肌蚓狀肌-21-22-23-尺神經(jīng)尺神經(jīng) -24-皮支皮支-25-肌支肌支尺側(cè)腕屈肌尺側(cè)腕屈肌 指深屈肌尺側(cè)半指深屈肌尺側(cè)半拇收肌拇收肌 小魚際小魚際 骨間肌骨間肌 3.4蚓狀肌蚓狀肌 爪形手爪形手-26-橈神經(jīng)橈神經(jīng) 肌支肌支肱三頭肌肱三頭肌 肱橈肌肱橈肌 前臂后群肌前臂后群肌垂腕垂腕-27-28-皮支皮

6、支-29-Undue separation of the head from the shoulder： 產(chǎn)傷；肩部受傷；麻醉產(chǎn)傷；肩部受傷；麻醉期期2. 癱瘓的肌肉：三角肌、癱瘓的肌肉：三角肌、肱二頭肌、肱肌、肱橈肌；肱二頭肌、肱肌、肱橈肌； 部分的岡上肌、岡下肌、部分的岡上肌、岡下肌、旋后肌旋后肌 Erbs 點(diǎn)點(diǎn)臂叢的損傷臂叢的損傷Lesions of the Brachial Plexus Erbs paralysis 麻痹麻痹(upper trunk)policemans tip hand or porters tip hand-30-Undue abduction of the ar

7、m2. 癱瘓的肌肉：癱瘓的肌肉：intrinsic M. of the hand(手內(nèi)肌手內(nèi)肌T1)；ulnar flexors of the wrist and fingers(尺側(cè)屈腕和屈尺側(cè)屈腕和屈指肌指肌C8)3. Claw hand(爪形手爪形手)：hyperextension at the metacarpophalangeal jt and flexion at the interphalangeal jtKlumpkes paralysis麻痹麻痹(lower trunk)-31-1.Dislocation of humerus肩關(guān)節(jié)脫位肩關(guān)節(jié)脫位2. 涉及到的神經(jīng)：涉及到的神

8、經(jīng)：musculocutaneous N.肌肌皮神經(jīng)；皮神經(jīng)；lateral root of median正中神經(jīng)的外側(cè)正中神經(jīng)的外側(cè)根根3.癱瘓的肌肉：肱二頭癱瘓的肌肉：肱二頭肌、喙肱??；除了手肌肌、喙肱??；除了手肌之外由正中神經(jīng)支配的之外由正中神經(jīng)支配的肌肉。肌肉。4.不能屈腕、屈肘，前不能屈腕、屈肘，前臂橈側(cè)感覺缺失。臂橈側(cè)感覺缺失。Injury to lateral cord 外側(cè)束的損傷外側(cè)束的損傷-32-1. Subcoracoid dislocation of humerus肩關(guān)節(jié)喙突下脫位肩關(guān)節(jié)喙突下脫位2. 涉及到的神經(jīng)：涉及到的神經(jīng)：ulner N.尺神經(jīng)；尺神經(jīng)；medial root of median正中神經(jīng)的內(nèi)正中神經(jīng)的內(nèi)