Muscles- Elbow, Wrist, & Hand Flashcards
biceps brachii
O: supraglenoid tubercle and coracoid process
I: radial tuberosity
A: flex elbow and supinate forearm
brachioradialis
O: humerus
I: styloid process of radius
A: flex elbow
brachialis
O: humerus
I: ulnar tuberosity
A: flex elbow
triceps brachii
O: infraglenoid tubercle and humerus
I: olecranon
A: extend elbow
pronator teres
O: medial epicondyle of humerus (common flexor tendon)
I: radius
A: pronate forearm
flexor carpi radialis
O: medial epicondyle of humerus (common flexor tendon)
I: metacarpals 2-3
A: flex wrist and radial deviation
flexor carpi ulnaris
O: medial epicondyle of humerus (common flexor tendon)
I: pisiform, hamate, and metacarpal 5
A: flex wrist and ulnar deviation
palmaris longus
O: medial epicondyle of humerus (common flexor tendon)
I: flexor retinaculum and palmar aponeurosis
A: flex wrist
flexor digitorum superficialis
O: medial epicondyle of humerus (common flexor tendon)
I: sides of middle phalanges 2-5
A: flex wrist and digits
flexor digitorum profundus
I: palmar surface distal phalanges 2-5
A: flex wrist and digits
extensor carpi radialis longus
O: lateral epicondyle of humerus (common extensor tendon)
I: metacarpals 2-3
A: extend wrist
extensor carpi radialis brevis
O: lateral epicondyle of humerus (common extensor tendon)
I: metacarpals 2-3
A: extend wrist
extensor carpi ulnaris
O: lateral epicondyle of humerus (common extensor tendon)
I: metacarpal 5
A: extend wrist
extensor digitorum
O: lateral epicondyle of humerus (common extensor of tendon)
I: extensor expansions digits 2-5
A: extend wrist and digits
extensor digiti minimi
O: lateral epicondyle of humerus (common extensor tendon)
I: extensor expansion digit 5
A: extend 5th digit
