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BackandScapularRegions

DepartmentofthehumananatomyattachedtotheSichuanUniversity

ChenDaobang

IdentifyingthebonystructuresandlandmarksSkin&fasciaSkin:hairfollicle毛囊,sebaceousgland皮脂腺,sweatglandsFascia:superficialfasciadeepfasciaMusclesofthebackSuperficiallayer:trapezius

斜方肌&

latissimus

dorsimuscle背闊肌Deeplayer:levatormuscleofscapula肩胛提肌

rhomboideus菱形肌&erectorspinae

豎脊肌MusclesofthebackMusclesofscapulardeltoidlevatorscapularmSupraspinatusInfraspinatus

TeresminorTeresmajortricepsbrachiisubscapularis岡上肌岡下肌肱三頭肌肩胛下肌RotatorCuffMuscles：Supraspinatus

Infraspinatus

Teresminor

Subscapularis肌腱袖袖套肌Nerves&vesselsNerves:frombrachialplexus&spinalcordaccessoryn.:trapeziusdorsalscapularn

levatorscapularmuscle&rhomboideus菱形肌Suprascapularn：supraspinatus

muscle

&infraspinatuusmuscleaxillaryn.三角肌,小圓肌Vessels:

suprascapulara.dorsalscapulara.Superficialcervicala.posteriorhumeralcircumflexa.circumflexscapulara.axillaryn.posteriorplexusbrachialisdeltoid,teresminorcutaneousbranchesPassingthroughquadrangularspaceinjury

ScapularRegionandArm--posteriorview

brachialtricepstricepsbrachiiLong,medial,lateralinsertedintotheolecranon2spaces/pos.:TriangularSpaceQuadrangularSpaceNerves&vesselsofpos.aspectofarmradialnerveprofunda/deepbrachialarteryaxillarynPosteriorRegionsofTheArmandForearm

(P.306-318)

DepartmentofthehumananatomyattachedtotheSichuanuniversity

Chendaobang

Posteriorregionofarm1.Themuscle*Tricepsbrachiim.

origin:longhead

infraglenoid

tubercle(throughbetweentheteresminorandmajormuscles)

lateralheadsuperiormarginofradialgroove

medialheadinferiormargin

oftheradialgrooveinsertion:olecranon

1.Themusclefunction:extendingelbow;adductingandextendingshoulderjoint

Innervation：radialn.2.Radialnerve

arisesfromtheposteriorcordofbrachialplexus

passesthroughtheradialgrooveand

isaccompaniedwith

deepbrachialvessels.

posteriorregionoftheelbow

(tointroduce)Posteriorelbowtriangle肘后三角OlecranonMedialepicondyleonthehumerusLateralepicondyle

Isoscelestriangle等腰三角形Fracturedislocation2.Lateralelbowtriangle

lateral

epicondyleonthe

humerus

headofradius

olecranon

whenflexingthejointabout90degreepiercingthejoint

Posteriorregionoftheforearm1.M.intheposteriorcompartmentoftheforearm(1).Superficiallayer

(themainmuscles)Extensorcarpi

radialis

longus

橈側(cè)腕長伸肌Extensorcarpi

radialis

brevisExtensordigitorum指總伸肌Extensordigiti

minimiExtensorcarpi

ulnarisAnconeus

肘肌(2).Deeplayer(mainmuscles)Supinator

旋后肌Abductorpollicis

longusExtensorpollicis

brevisExtensorpollicis

longus

Extensorindicis

示指伸肌拇長伸肌拇長展肌2.Bloodvesselsandnerve(1)Posterior

interosseousa.骨間后動脈*fromthecommoninterosseousa.*piercingtheinferiorborderofthesupinator(2)Posteriorinterosseousn.骨間后神經(jīng)*fromthedeepbranchoftheradialn.*piercingthesupinator*supplying:ulnarsideofthisn.givingoffthemuscularbranch,musclesintheposteriorcompartmentoftheforearm

“wristdrop”---垂腕征ThebriefsummaryofthenervesinjuryTheme

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