臂丛神经解剖图谱PPT课件.ppt

-1-,臂丛Nervesoftheupperlimb:Brachialplexus,-2-,-3-,-4-,-5-,根(root)：C5T1.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Suprascapularnerve肩胛上神经C5,6Nervetosubclavius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-T1subscapularN.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-,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,Erbs点,臂丛的损伤LesionsoftheBrachialPlexusErbsparalysis麻痹(uppertrunk),policemanstiphandorporterstiphand,-30-,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)：hyperextensionatthemetacarpophalangealjtandflexionattheinterphalangealjt,Klumpkesparalysis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