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Muscles
Muscles of the arm (brachium)
27
Anatomy
Undergraduate 4
10/29/2007

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Cards

Term
Pectoralis Major (Origin)
Definition
Clavicle, Sternum, Cartilages of Ribs 1-6
Term
Pectoralis Major (Insertion)
Definition
Intertubercular groove of humerus
Term
Pectoralis Major (Action)
Definition
Flexes, adducts, and rotates humerus medially
Term
Latissimus Dorsi (Origin)
Definition
Spinous processes of lumbar and inferior thoracic vertebrae, iliac crest, ribs 9-12
Term
Latissimus Dorsi (Insertion)
Definition
Intertubercular groove of humerus
Term
Latissimus Dorsi (Action)
Definition
Extends, adducts, and rotates humerus medially
Term
Deltoid (Origin)
Definition
Clavicle, acromion process, spine of scapula
Term
Deltoid (Insertion)
Definition
Deltoid tuberosity of humerus
Term
Deltoid (Action)
Definition
Abducts, extends, and flexes humerus
Term
Supraspinatus (Origin)
Definition
Supraspinous fossa of scapula
Term
Supraspinatus (Insertion)
Definition
Greater tubercle of humerus
Term
Supraspinatus (Action)
Definition
Abducts humerus
Term
Infraspinatus (Origin)
Definition
Infraspinous fossa of scapula
Term
Infraspinatus (Insertion)
Definition
Greater tubercle of humerus
Term
Infraspinatus (Action)
Definition
Rotates humerus medially
Term
Teres Major (Origin)
Definition
Inferior angle and lateral border of scapula
Term
Teres Major (Insertion)
Definition
Intertubercular groove of humerus
Term
Teres Major (Action)
Definition
Extends, adducts, and rotates humerus medially
Term
Teres Minor (Origin)
Definition
Lateral border of scapula
Term
Teres Minor (Insertion)
Definition
Greater tubercle of humerus
Term
Teres Minor (Action)
Definition
Rotates humerus medially
Term
Subscapularis (Origin)
Definition
Subscapular fossa
Term
Subscapularis (Insertion)
Definition
Lesser tubercle of humerus
Term
Subscapularis (Action)
Definition
Rotates humerus medially
Term
Coracobrachialis (Origin)
Definition
Coracoid process of scapula
Term
Coracobrachialis (Insertion)
Definition
Medial shaft of humerus
Term
Coracobrachialis (Action)
Definition
Flexes and adducts humerus
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