Superficial anterior forearm muscles Flashcards
Flexor muscles origin? Direction of Travel?
Medial epicondyle
Along the medial border and anterior surface of the forearm
Extensor muscle origin?
Direction of Travel?
Lateral epicondyle
Along lateral border and posterior surface of forearm
Pronator teres (photo 3) origin
Medial epicondyle and coronoid process of ulna
Pronator teres (photo 3) insertion
Middle of lateral surface of radius (pronator tuberosity)
Pronator teres (photo 3) innervation
Branch of median nerve
Pronator teres (photo 3) action
Pronation and flexion of forearm
Flexor carpi radialis (photo 3) origin
Common flexor tendon (medial epicondyle)
Flexor carpi radialis (photo 3) insertion
Base of 2nd and 3rd metacarpal
Flexor carpi radialis (photo 3) action
Flexion of wrist and abduction assists with pronation
Palmaris longus (photo 3) origin
Medial epicondyle
Palmaris longus (photo 3) insertion
flexor retinaculum, palmar aponeurosis
Palmaris longus (photo 3) innervation
Branch of medial nerve
Palmaris longus (photo 3) action
Flexion at the wrist, tightening of aponeurosis
Flexor carpi ulnaris (photo 3) origin
Medial epicondyle and posterior 2/3s surface of ulna
Flexor carpi ulnaris (photo 3) insertion
pisiform, hook of hanmate, 5th metacarpal