Arm Flashcards
Deltoid
O: A = lateral 1/3 clavicle M = acromion process P = spine of scapula I: deltoid tuberosity INN: axillary (C5,6) A: A = Fx M =ABD P = Ex
Coracobrachialis
O: coracoid process
I: medial midshaft humerus
INN: musculocutaneous (C5-7)
A: GHJ Fx, ADD
Biceps brachii long head
O: supraglenoid tubercle of scapula
I: radial tuberosity and bicipital aponeurosis
INN: musculocutaneous (C5-6)
A: GHJ Fx, elbow Fx, supination
Biceps brachii short head
O: coracoid process of scapula
I: radial tuberosity and bicipital aponeurosis
INN: musculocutaneous (C5-6)
A: elbow Fx, supination
Brachialis
O: distal anterior humerus
I: tuberosity and coronoid process of ulnar
INN: musculocutaneous (C5-6)
A: elbow Fx
Triceps brachii long head
O: infraglenoid tubercle of scapula
I: olecranon of ulna
INN: radial (C5-7)
A: GHJ Ex, ADD, elbow Ex
Triceps brachii lateral head
O: pos. humerus above radial groove
I: olecranon of ulna
INN: radial (C5-7)
A: elbow Ex
Triceps brachii medial head
O: pos humerus below radial groove
I: olecranon of ulna
INN: radial (C5-7)
A: elbow Ex
Anconeus
O: lateral epicondyle of humerus
I: olecranon of ulna
INN: radial (c6-8)
A: elbow Ex
Pronator teres
O: medial epicondyle of humerus, coronoid process of ulna
I: midshaft radius
INN: median (C6-7)
A: pronation
Pronator quadratus
O: distal ulna
I: distal radius
INN: median (C8-T1)
A: pronation
Brachioradialis
O: lateral supracondylar ridge of humerus
I: styloid process of radius
INN: radial (C5-6)
A: elbow Fx
Supinator
O: lateral epicondyle of humerus and ulna distal to radial notch
I: anterolateral radius distal to radial tuberosity
INN: radial (C6-8)
A: supination
