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Upper Extremity Muscles
N/A
23
Anatomy
Undergraduate 1
06/12/2009

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Cards

Term
Trapezius
Definition
origin: posterior occipital bone, ligamentum nuchae, C7-T12
insertion: clavicle, acromion process, and spine of scapula
Term
Deltoid
Definition
origin: clavicle, acromion process, and spine of scapula
insertion: deltoid tuberosity of humerus
Term
Pectoralis Major
Definition
origin: clavicle, sternum, cartilages of ribs 1-7
insertion: crest of greater tubercle of humerus
Term
Pectoralis minor
Definition
origin: ribs 3-5
insertion: coracoid process of scapula
Term
Latissimus dorsi
Definition
origin: T7-12, L1-5, S1-5, crest of ilium, ribs 10-12
insertion: intertubercular groove of humerus
Term
Supraspinatus
Definition
origin: supraspinous fossa
insertion: greater tubercle of humerus
Term
infraspinatus
Definition
origin: infraspinous fossa
insertion: greater tubercle of humerus
Term
Subscapularis
Definition
origin: subscapular fossa
insertion: lesser tubercle of humerus
Term
Teres minor
Definition
origin: lateral border of scapula
insertion: greater tubercle of humerus
Term
Teres major
Definition
origin: inferior angle of scapula
insertion: crest of lesser tubercle of humerus
Term
Biceps brachii
Definition
origin: superior margin of glenoid fossa, coracoid process of scapula
insertion: radial tuberosity
Term
Triceps brachii
Definition
origin: infraglenoid tuberosity of scapula
insertion: olecranon process of ulna
Term
Coracobrachialis
Definition
origin: coracoid process of scapula
insertion: midmedial shaft of humerus
Term
Brachialis
Definition
origin: anterior, distal surface of humerus
insertion: coronoid process of ulna
Term
Brachioradialis
Definition
origin: lateral supracondylar ridge of humerus
insertion: styloid process of radius
Term
Flexor carpi radialis
Definition
origin: medial epicondyle of humerus
insertion: second and third metacarpals
Term
Flexor carpi ulnaris
Definition
origin: medial epicondyle of humerus, olecranon process and dorsal border of ulna
insertion: pisiform, hamate, and fifth metacarpal
Term
Flexor carpi radialis
Definition
origin: medial epicondyle of humerus
insertion: second and third metacarpals
Term
Pronator Teres
Definition
origin: medial epicondyle of humerus, coronoid process of ulna
insertion: lateral, middle shaft of radius
Term
Extensor carpi ulnaris
Definition
origin: lateral epicondyle of humerus, proximal ulna
insertion: fifth metacarpal
Term
Extensor carpi radialis
Definition
origin: lateral supracondylar ridge of humerus
insertion: third metacarpal
Term
Supinator
Definition
origin: lateral epicondyle of humerus, anterior ulna
insertion: proximal radius
Term
Extensor digitorum
Definition
origin: lateral epicondyle of humerus
insertion: middle and distal phalanges of second through fifth digits
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