Shoulder Muscles Sports Medicine I
Shoulder Movements Flexion Extension Abduction Adduction Horizontal Abduction Internal Rotation (0 and 90) External Rotation (0 and 90)
Shoulder Movements Circumduction Elevation Depression Protraction Retraction
Biceps Flexion Supination
Coracobrachialis Adduction Assists flexion and pronation
Deltoid Anterior Fibers Middle Fibers Posterior Fibers Flexion, horizontal adduction, internal rotation, external rotation
Infraspinatus External rotation (rotator cuff)
Lattisimus Dorsi Extends arm
Levator Scapulae Elevates scapula
Pectoralis Major Flexes upper arm Adducts arm
Pectoralis Minor Raises ribs for inspiration
Rhomboids Retraction and rotation of scapula
Serratus Anterior Rotates scapula for abduction
Subscapularis Internal rotation (rotator cuff)
Teres Major Assists in extension
Teres Minor External rotation (rotator cuff)
Trapezius Retraction Upward rotation Elevates scapula
Triceps Extends forearm and upper arm