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Shoulder Joints OIA

Shoulder Joint OIA's

Pectorialis Major Origin AC (acromion), clavicle, SC, Sternum.
Pectorialis Major Insertion Greater tubercle of the humerus.
Pectorialis Major Actions Flexion, adduction, internal rotation.
Latissimus Dorsi Origin T6(6th thoracic), T12(12th thoracic), L1-5(Lumbar 1-5),sacrum, and coccyx.
Latissimuus Dorsi Insertion Intertubercule groove of the humerus.
Latissimus Dorsi Action Adduction, extension internal rotation of the humerus.
Deltoid Origin Clavicle, AC, spine of the scapula.
Deltoid Insertion Deltoid tuberosity.
Deltoid Action Abduction, flexion, and extension of the humerus.
Biceps Origin 1st- top of the scapula, 2nd coracoid.
Biceps Insertion Tuberosity of the radius.
Biceps Action Flexion, internal rotation.
Teres Major Origin Scapula.
Teres Major Insertion Intertubercle grove.
Teres Major Action Adduction, internal rotation of the humerus.
Coracobrachialis Origin Coracoid process.
Coracobrachialis Insertion Mid humerus.
Coracobrachialis Action Horizontal rotation.
Created by: terrybrunson