您好,欢迎访问三七文档
-1-臂丛Nervesoftheupperlimb:Brachialplexus-2--3--4--5-根(root):C5~T1.分支(branches)1.Nervetoserratusanterior(longthoracicN.)胸长神经C5,6,72.Nervetorhomboideus(dorsalscapularN.)肩胛背神经C5-6-翼状肩wingingofthescapular胸长神经受损原因:Suddenpressureontheshoulderfromabove;carryingheavyloadsontheshoulder前锯肌-7-肩胛背神经-8-分支(branches):仅从上干发出分支1.Suprascapularnerve肩胛上神经C5,62.Nervetosubclavius至锁骨下肌的神经C5,6干:Uppertrunk上干middletrunk中干lowertrunk下干-9-肩胛上神经-10-股:anteriorandposteriordivisions前股和后股(此处无分支)索:lateral,posteriorandmedialcords前索、后索、外侧索-11-外侧索的分支C5,61.LateralpectoralN.胸外侧神经C5,62.Musculocutaneous肌皮神经C5,63.Lateralrootofmedian正中神经的外侧根-12-肌皮神经-13-内侧索的分支C8,T11.MedialpectoralN.胸内侧神经2.MedialcutaneousN.ofarm臂内侧皮神经3.MedialcutaneousN.offorearm前臂内侧皮神经4.UlnarN.尺神经5.Medialrootofmedian正中神经的外侧根-14-正中神经尺神经-15-后索的分支C5-T11.subscapularN.肩胛下神经C5,62.ThoracodorsalN.胸背神经C7,83.AxillaryN.腋神经C5,64.RadialN.桡神经C5-T1-16-subscapularN.肩胛下神经AxillaryN.腋神经RadialN.桡神经-17-胸背神经背阔肌-18-正中神经-19-皮支-20-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-21--22--23-尺神经-24-皮支-25-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-26-桡神经肌支肱三头肌肱桡肌前臂后群肌垂腕-27--28-皮支-29-1.Undueseparationoftheheadfromtheshoulder: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Erb’s点臂丛的损伤LesionsoftheBrachialPlexusErb’sparalysis麻痹(uppertrunk)‘policeman’stiphand’or‘porter’stiphand’-30-1.Undueabductionofthearm2.瘫痪的肌肉:intrinsicM.ofthehand(手内肌T1);ulnarflexorsofthewristandfingers(尺侧屈腕和屈指肌C8)3.Clawhand(爪形手):hyperextensionatthemetacarpophalangealjtandflexionattheinterphalangealjtKlumpke’sparalysis麻痹(lowertrunk)-31-1.Dislocationofhumerus肩关节脱位2.涉及到的神经:musculocutaneousN.肌皮神经;lateralrootofmedian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。Injurytolateralcord外侧束的损伤-32-1.Subcoracoiddislocationofhumerus肩关节喙突下脱位2.涉及到的神经:ulnerN.尺神经;medialrootofmedian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。Injurytomedialcord内侧束的损伤
本文标题:臂丛神经解剖图谱
链接地址:https://www.777doc.com/doc-4024131 .html