Forearm ANATOMY Flashcards
Flexor carpi ulnaris
O: medial epicondyle and olecranon
I: pisiform, hook of the hamate, and base of the 5th metacarpal
A: Wrist flexion and ulnar deviation (Adduction)
N: Ulnar nerve
Flexor carpi radialis
O: Medial Epidondyle
I: base of the 2nd and 3rd metacarpal.
A: wrist flexion, radial deviation (abduction)
N: median nerve
Palmaris Longus
O: medial epicondyle
I: palmar aponeurosis and flexor retinaculum
A: wrist flexion
N: median
Flexor digitorum superficialis
O: numeral head, radial head, ulnar head, olecranon, below the radial tuberosity.
I: middle phalanges of the 2-5 digits.
A: 2-5 finger flexion, wrist flexion.
N: median nerve.
Flexor digitorum profundus
O: ulnar (3 5ths up) and the interosseous membrane
I: distal phalanges of the 2-5 fingers
A: finger flexion and wrist flexion
N: interossues branch of the median and ulnar nerve
Extensor carpi ulnaris
O: lateral epicondyle (by common tendon)
I: base of the 5th metacarpal
A: wrist extension and ulnar deviation (adduction)
N: radial nerve
Extensor carpi radialis breves
O: lateral epicondyle (by common tendon)
I: Base of the third
A: wrist extension and wrist abduction
N: Radial Nerve
Extensor carpi radialis longus
O: lower 2/3rd of the supracondylar ridge of the humerus
I: the base of the second metacarpal
A: wrist extension and abduction
N: radial
Pronator Teres
O: medial epidondyle and coronoid process of the ulna
I: lateral portion of the radius
A: pronation and elbow flexion
N: median nerve
Pronator Quadratus
O: Distal anterior portion of the ulna
I: Distal anterior portion of the radius
A: pronation
N: median
Supinator
O: lateral epicondyle and ulna
I: dorsal and lateral surface of the radius.
A: supination
N: radial
