VE
MusclesPectoralis
majorOrigin sternum costalcartilages
Insertion Crestofgreatertubercle
Action FlexionandAdduction of
the
humeruslatissimus
DorsiOrigin Last6Thoracicvertebrae fascia
Insertion intertubercularGroove
Action extendadductandmedially
rotatethehumerus movingtrunk
forwardandupwardassistsw
breathingDeltoidOrigin
lateralclaviclesuperioracromion
andsuperiorscapularspine
Insertion deltoidtuberosityon
numerus
heads
Anterior
Middle
Action Anteriorhead flexes medial
Posterior rotation middlereadabduction
posteriorheadextension lateralrotation
horizontalabduction
Teresmajor
humerus3
Origin Inferiorangleof
Insertion Inter
scapula
tubercularGroovenumerus
Action extendsmediallyrotatesandadducts
the
, 4 Rotator cuff muscles
Teres minor Origin lateralborderofscapula
Insertion GreaterTubercle ofhumerus
Action LateraceamanRotation
oM
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supraspinatus Origin supraspinousfossascapula
mdhnttttddddttFa
st As Insertion Greatertubercleofhumerus
action abductionofthehumerus
Infraspinatus
Origin Infraspinatusfossascapula
Insertion Greatertuberclenumerus
Action lateral external Rotation of
pharmmharathmammmeramshthmakamfaooo
Humerus
subscapularis
Origin subscapularfossa
Insertion lessertubercleofhumerus
Action medial internal rotationornumerus
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piffffIhofp
ffifMMNMMMfp
App
antes
MusclesPectoralis
majorOrigin sternum costalcartilages
Insertion Crestofgreatertubercle
Action FlexionandAdduction of
the
humeruslatissimus
DorsiOrigin Last6Thoracicvertebrae fascia
Insertion intertubercularGroove
Action extendadductandmedially
rotatethehumerus movingtrunk
forwardandupwardassistsw
breathingDeltoidOrigin
lateralclaviclesuperioracromion
andsuperiorscapularspine
Insertion deltoidtuberosityon
numerus
heads
Anterior
Middle
Action Anteriorhead flexes medial
Posterior rotation middlereadabduction
posteriorheadextension lateralrotation
horizontalabduction
Teresmajor
humerus3
Origin Inferiorangleof
Insertion Inter
scapula
tubercularGroovenumerus
Action extendsmediallyrotatesandadducts
the
, 4 Rotator cuff muscles
Teres minor Origin lateralborderofscapula
Insertion GreaterTubercle ofhumerus
Action LateraceamanRotation
oM
aaaggghhatT
supraspinatus Origin supraspinousfossascapula
mdhnttttddddttFa
st As Insertion Greatertubercleofhumerus
action abductionofthehumerus
Infraspinatus
Origin Infraspinatusfossascapula
Insertion Greatertuberclenumerus
Action lateral external Rotation of
pharmmharathmammmeramshthmakamfaooo
Humerus
subscapularis
Origin subscapularfossa
Insertion lessertubercleofhumerus
Action medial internal rotationornumerus
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piffffIhofp
ffifMMNMMMfp
App
antes
