Forearm Flexor Muscles Flashcards
Pronator Teres
O-Medial epicondyle of humerus and coronoid process of ulna
I-Lateral side of middle radius
N-Median nerve
A-Pronates the forearm, with some flexion at elbow
Flexor Carpi Radialis
O-Medial epicondyle of humerus
I-Proximal 2nd metacarpal
N-Median nerve
A-Flexion and abduction of the hand at the wrist
Palmaris Longus
O-Medial epicondyle of humerus
I-Palmar aponeurosis and distal flexor retinaculum
N-Median nerve
A-Flexion at wrist, tightens palmar aponeurosis, retracts claws in cats
Flexor Carpi Ulnaris
O-Medial epicondyle of humerus, olecranon and posterior aspect of ulna
I-Proximal 5th metacarpal, pisiform bone and hamate bone
N-Ulnar nerve
A-Flexion and adduction of hand at wrist
Flexor Digitorum Superficialis
O-Middle part of radius and interosseous membrane
I-Distal phalanx of thumb
N-Median nerve
A-Flexes phalanges of thumb
Flexor Pollicis Longus
O-Middle part of radius and interosseous membrane
I-Distal phalanx of thumb
N-Median nerve
A-Flexes phalanges of thumb
Flexor Digitorum Profundus
O-Proximal ¾ of ulna and interosseous membrane
I-Distal phalanges of digits 2-5
N-Medial part ulnar nerve (digits 4/5)
Lateral part median nerve (digits 2/3)
A-Flexes fingers at distal interphalangeal joints and helps flex wrist
Pronator Quadratus
O-Distal anterior ulna
I-Distal anterior radius
N-Median nerve
A-Pronates forearm
