Bonesofupperlimb

(P.281)

DepartmentofthehumananatomyattachedtotheSichuanUniversity

ChenDaobang

1.Clavicle鎖骨

sternalend

acromionendGirdlebone帶骨2.Scapula肩胛骨

mainstructures:Acromion

肩峰CoracoidprocessInferiorangleSuperiorangleSpineofscapulaSubscapulafossaInfraspinousfossaGlenoidcavityScapularnotch喙突肩胛岡關節盂肩胛下窩岡下窩3.Humerus肱骨HeadofhumerusAnatomicalneck解剖頸Surgicalneck(easytofracture)外科頸Greatertubercle大結節LessertubercleIntertubercular

sulcusCrestofgreatertubercleDeltoidtuberosity

三角肌粗隆Medialepicondyle

內上髁LateralepicondyleTrochlea(滑車)Capitulum(小頭)Olecranonfossa(鷹嘴窩)RadialgrooveGrooveforulnarnerve1body，2epiphysis大結節嵴結節間溝4.BonesofforearmUlna

olecranon

Trochlearnotch滑車切跡

coronoidprocess冠突

tuberosityofulnaheadofulna

styloid

processofulna2)Radiusheadofradiusneckofradius

tuberosityofradiusdorsalradialtubercle

styloidprocessofradius尺骨莖突橈背結節5.Bonesofthehand1)carpalbones

scaphoid(舟)

lunate(月)

triquetrum(三角)

pisiform(豆)

trapezium(大多角骨)trapezoid(小)

capitate(頭狀)

hamate(鉤)

2)metacarpal3)phalangesJointsofupperlimb

(P.334)

Sternoclavicularjoint1)ArticularsurfaceItisformedbythesternalendoftheclavicleandsternumand1stcostalcartilage.2)Capsuleisattachedtothemarginsofthearticularsurfaces.Sternoclavicularjoint3)Articulardisc(fibrouscartilage)dividesthesynovialjointintothetwocompartments.4)Ligamentsincludes

Ant.andPost.sternoclavicular

lig.,and

costoclavicular

lig.5)Tomoveinmanydirectionsflexibility2.ShoulderjointArticularsurface*Headofthehumerus?Glenoidcavityofthescapula*Theheadislargerandthefossaisshallower.*Theglenoidlabrumdeepensthefossa(glenoidcavity)stability關節盂唇2.Shoulderjoint2)Capsuleisattachedmediallytomarginoftheglenoidcavity,

latterallytoanatomicalneckofthehumerus.Itisthe

thinnerandlooser,specialinferiorwallofthecapsule.3).Lig.

Glenohumeral

lig.

Coracohumeral

lig.

Coracoacromial

lig.

coracoacromialarch

喙肩弓4)Tendonoflongheadofbicepsbrachii

Topassthroughtheintertuberculargroove

Topiercethecapsule

Toendtothesuproglenoidtubercle盂肱韌帶喙肱韌帶喙肩韌帶5)Movements

flexion/

extensionadduction/abductionrotation

circumductionMusculotendinous

（Rotator）cuffItisformedbythetendensofsubscapularis,superaspinatus,inferaspinatusandteres

minor.Themusculotendinouscuffsurroundsandprotectstheshoulderjoint.But,attheinferiortothejoint,therearenomusculartendons.Notice:Attheinferiortotheshoulderjoint,*therearenolig.and**tendonsofmuscles.***Theinferiorwallofthearticularcapsuleisthinnest.So,thejointiseasytobedislocatedinferiorly.3.Elbowjoint(becompoundjoint)Articulation*Trochlea

ofthehumerus?

Trochlearnotchoftheulna*Headoftheradius?

Capitulumofthehumerus*Headoftheradius?Radialnotchoftheulna

肱尺部肱橈部尺橈部復合關節2)Capsule

surroundstheabove3jointsandattachesthemarginsofthearticularsurfaces3)Lig.*Radialcollaterallig.*Ulnarcollaterallig.*Annularlig.oftheradius

surroundstheheadoftheradius,preventsthedislocationoftheheadofradius4)Movements

flexion

extensionSemiannularFunnelshaped半環狀，漏斗形Particitateinrotationoftheforearm

參與前臂旋前、旋后運動4Jointsofthebonesofforearm1)Proximalradioulnarjoint2)Distalradioulnarjoint

Abovethetwojointscandopronationand

supination.3)Interosseousmembraneinforearm5.Wristjoint橈腕關節

1)The*distalendofthe

radiusand**articular

discformthearticularfossa2)*Scaphoid,**lunateand***triquetrumformthearticular

headofthejoint.

3)typicalellipse-joint

4)Therearelig.surroudingthejoint.5)Thejointcando

flexionandextension

adductionandabduction

circumduction.橢圓關節6.Otherjoints

Intercarpaljoints

Carpo-metacarpaljoints

IntermetacarpaljointsMetacarpo-phalangealjoints

InterphalangealjointsThecarpo–metacarpaljointofthethumbisaseparatesaddle-shapedtypeofsynovialjoint,andismadeofthetrapezium

andthesaddle-shapedbaseofthefirstmetacarpalbone.Functione:flexion/extensionadduction/abduction

circumduction

oppositionmovements對掌運動Superficialstructuresoftheupperlimb

(P287-293)1.Cephalicvein:

頭靜脈originatesfromdorsalvenousarchascendsinthesuperficialfasciaalongthelateralborderofwristalongtheanterolateral

borderofforearmandarmrunsbetweenthedeltoidandpectoralismajorm.drainsintotheaxillaryv.腋靜脈or

subclavianv.鎖骨下靜脈胸大肌三角肌

2.Basilicvein貴要靜脈

originatesfromthedorsalvenousarchrunsinthesuperficialfasciaonthemedialsideoftheforearmandlowerpartofarmdrainsintobrachialv.肱靜脈oraxillaryv.3.Mediancubitalvein

肘正中靜脈isthecommunicationbetweenthebasilic

andcephalicveinsintheant.regionoftheelbow.4.Cutaneousnervesofthehand1)skinonthepalm:

ulnarn.distributestotheskinoftheoneandhalf

fingersontheulnarsideofthepalm.

mediann.2)skinonthedorsum:

ulnarn.onulnar2andhalffingers

radialn.onradial2andhalffingers

mediann.(1st,2ndand3rdfingers,distal)

ThedorsumofthehandSuperficialstructures(1)thedorsalvenousarch(2)cutaneousnervessuperficialbr.oftheradialn.dorsalbr.oftheulnarn.(3)thesuperficiallymphaticve