Muscles of the upper limb (forearm and hand) Flashcards
Pronator teres origin
Medial epicondyle of humerus & proximal ulna
Pronator teres insertion
Lateral radius
Pronator teres innervation
Median Nerve
Pronator teres Function
Pronates forearm at elbow, assists in flexion at elbow
Flexor carpi radialis origin
Medial epicondyle of humerus
Flexor carpi radialis insertion
Metacarpal 2
Flexor carpi radialis innervation
Median Nerve
Flexor carpi radialis function
Flexes and abducts hand at wrist
Palmaris longus origin
Medial epicondyle of humerus
Palmaris longus insertion
Palmar aponeurosis & flexor retinaculum of hand
Palmaris longus innervation
Median Nerve
Palmaris longus function
Flexes hand at wrist, tenses palmar aponeurosis
Flexor carpi ulnaris origin
Medial epicondyle of humerus
Flexor carpi ulnaris insertion
Pisiform, hamate, metacarpal 5
Flexor carpi ulnaris innervation
Ulnar nerve
Flexor carpi ulnaris function
Flexes and adducts hand at wrist
Flexor digitorum superficialis origin
Medial epicondyle of humerus, coronoid process of ulna, anterior shaft of radius
Flexor digitorum superficialis insertion
Middle phalanges of digits 2-5
Flexor digitorum superficialis innervation
Median Nerve
Flexor digitorum superficialis function
Flexes phalanges of digits 2-5 at MP and PIP
Flexor digitorum profundus origin
Anterior shaft of ulna, interosseous membrane
Flexor digitorum profundus insertion
Distal phalanges of digits 2-5
Flexor digitorum profundus innervation
Anterior interosseous nerve (bellies to digits 2 & 3), ulnar nerve (bellies to digits 4 & 5)
Flexor digitorum profundus function
Flexes phalanges at DIP (Distal interphalangeal) joint
Flexor pollicis longus origin
Anterior surface of radius, interosseous membrane