臂叢神經解剖圖譜ppt課件

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.)胸長神經胸長神經C5,6,72. Nerve to rhomboideus (dorsal scapular N.)肩胛背神經肩胛背神經C5-6-翼狀肩翼狀肩winging of the scapular胸長神經胸長神經受損原因：受損原因：Sudden pressure on the shoulder from above; c

2、arrying heavy loads on the shoulder前鋸肌前鋸肌-7-肩胛背神經肩胛背神經-8-分支（分支（branches）:僅從上干發(fā)出分支僅從上干發(fā)出分支1. Suprascapular nerve肩胛上神經肩胛上神經C5,62. Nerve to subclavius至鎖骨下肌的神經至鎖骨下肌的神經C5,6干干：Upper trunk 上干上干middle trunk 中干中干lower trunk 下干下干-9-肩胛上神經肩胛上神經-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：la

3、teral, posterior and medial cords前索、后索、外側索前索、后索、外側索-11-外側索的分支外側索的分支C5,61.Lateral pectoral N.胸外側神經胸外側神經C5,62. Musculocutaneous肌皮神經肌皮神經C5,63. Lateral root of median正中神經的外側正中神經的外側根根-12-肌皮神經肌皮神經-13-內側索的分支內側索的分支C8,T11.Medial pectoral N.胸內側神經胸內側神經2. Medial cutaneous N. of arm臂內側皮神經臂內側皮神經3. Medial cutaneou

4、s N. of forearm前臂內側皮神經前臂內側皮神經4. Ulnar N. 尺神經尺神經5. Medial root of median正中神經的外側根正中神經的外側根-14-正中神正中神經經尺神經尺神經-15-后索的分支后索的分支C5-T11. subscapular N.肩胛肩胛下神經下神經C5,62. Thoracodorsal N.胸胸背神經背神經C7,83. Axillary N. 腋神經腋神經C5,64. Radial N. 橈神經橈神經C5-T1-16-subscapular N.肩胛下神經肩胛下神經Axillary N. 腋神經腋神經Radial N. 橈神經橈神經-17

5、-胸背神經胸背神經 背闊肌背闊肌-18-正中神經正中神經-19-皮支皮支-20- 猿手猿手肌支肌支除肱橈肌（橈神經）、尺除肱橈?。锷窠洠?、尺側腕屈肌、指深屈肌尺側側腕屈肌、指深屈肌尺側半（尺神經）半（尺神經） 以外所有前以外所有前臂前群肌臂前群肌 魚際?。词占〕呱窠洠~際?。词占〕呱窠洠?1、2蚓狀肌蚓狀肌-21-22-23-尺神經尺神經 -24-皮支皮支-25-肌支肌支尺側腕屈肌尺側腕屈肌 指深屈肌尺側半指深屈肌尺側半拇收肌拇收肌 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-橈神經橈神經 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

6、-28-皮支皮支-29-1.Undue separation of the head from the shoulder： 產傷；肩部受傷；麻醉期產傷；肩部受傷；麻醉期2. 癱瘓的肌肉：三角肌、肱二癱瘓的肌肉：三角肌、肱二頭肌、肱肌、肱橈??；頭肌、肱肌、肱橈??； 部分的岡上肌、岡下肌、旋部分的岡上肌、岡下肌、旋后肌后肌 Erbs 點點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-30-1. Undue abducti

7、on of the arm2. 癱瘓的肌肉：癱瘓的肌肉：intrinsic M. of the hand(手內肌手內肌T1)；ulnar flexors of the wrist and fingers(尺側屈腕和屈尺側屈腕和屈指肌指肌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肩關節(jié)脫位肩關節(jié)脫位2.

8、涉及到的神經：涉及到的神經：musculocutaneous N.肌肌皮神經；皮神經；lateral root of median正中神經的外側正中神經的外側根根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支配的之外由正中神經支配的肌肉。肌肉。4.不能屈腕、屈肘，前不能屈腕、屈肘，前臂橈側感覺缺失。臂橈側感覺缺失。Injury to lateral cord 外側束的損傷外側束的損傷-32-1. Subcoracoid dislocation of humerus肩關節(jié)喙突下脫位肩關節(jié)喙突下脫位2. 涉及到的神經：涉及到的神經：ulner N.尺神經；尺神經；medial root of median正中神經的內正中神經的內側根側根3.癱瘓的肌肉：尺神經癱瘓的肌肉：尺神經所支配的肌肉；正中神所支配的肌肉；正中