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Shoulder Joint OIAs

Muscles of the shouklder joint

Pectoralis Major Origin O- AC, clavicle,SC,Sternum
Pectoralis Major Insertion I- greater tubercle of humerus
Pectoralis Major Actions A- flexion, adduction, internal rotation of humerus
Latissimus Dorsi Origin O-T6 - T12, L1-L5, sacrum, coccyx
Latissimus Dorsi Insertion I-intertubercle groove of humerus
Latissimus Dorsi Actions A-adduction, extension, internal rotation of humerus
Deltoid Origin O- clavicle, AC, spine of scapula
Deltoid Insertion I- deltoid tuberosity
Deltoid Action A- Abduction, flexion and extension of humerus
Biceps Origin O- 1- top of scapula 2- coracoid
Biceps Insertion I- tuberosity of radius
Biceps Action A- flexion, internal rotation
Teres Major Origin O-scapula
Teres major Insertion I-intertubercle groove
Teres Major Action A-adduction, internal rotation of humerus
Coracobrachialis Origin O-coracoid process
coracobrachialis Insertion I-mid humerus
coracobrachialis Action A-horizontal flexion
Created by: stevewomack