Muscles that move the shoulder Joint Flashcards
Origin of Pectoralis Major (3)
Clavicle, Sternum, and ribs 1-7
Insertion of Pectoralis major (2)
Greater tubercle and lateral lip of intertubercal sulcus
Action of Pectoralis major (2)
Shoulder adduction and medial rotation
Origin of Latissimus dorsi (5)
Spine T7-L5, lumbar vertebrae,crest of corocom and illium
Insertion of Latissimus Dorsi (1)
intertubercular sulcus of the humerus
Action of Latissimus Dorsi (3)
Shoulder extension , adduction and medial rotation
Origin of Deltoid (3)
Anterior: Clavicle
Lateral: Acromion
Posterior: Spine
Insertion of the Deltoid (1)
Deltoid tuberosity
Action of the Deltoid ( 3)
Anterior: flexion, medial rotation
Lateral: shoulder extension
Posterior: extension, lateral rotation
Origin of Subscapularis (1)
Subscapula fossa
Insertion of subscapularis (1)
lesser tubercle
Action of subscapularis (1)
shoulder medial rotation
Origin of Supraspinatous (1)
supraspinous fossa
Insertion of supraspinatous (1)
greater tubercle
Action of Supraspinatous (1)
shoulder lateral rotation
Origin of Infraspinatous (1)
infraspinous fossa
Insertion of infraspinatous (1)
Greater tubercle
Action of Infraspinatous (1)
shoulder lateral rotation
Origin of teres minor (1)
inferior lateral border
Insertion of teres minor (1)
greater tubercle
Action of teres minor (2)
shoulder lateral rotation and extension
Origin of teres major (1)
Inferior angle
insertion of teres major (1)
intertubercle sulcus
action of teres major (2)
shoulder lateral rotation and extension
