EWH Flexor Muscle Cards

biceps brachii - function

flexion of elbow

supination of forearm

assists in flexion of arm at shoulder

biceps brachii - innervation

musculocutaneous nerve (C5, C6)

biceps brachii - origin

long head:

supraglenoid tubercle of scapula

short head:

apex of coracoid process of scapula

biceps brachii - insertion

radial tuberosity

brachialis - function

flexion of elbow

brachialis - innervation

musculocutaneous nerve (C5, C6)

small contribution from radial nerve (C7)

brachialis - origin

anterior humerus

adjacent intermuscular septae

brachialis - insertion

ulnar tuberosity

triceps brachii - function

extension of elbow

long head:

extension of arm at shoulder

adduction of arm at shoulder

triceps brachii - innervation

radial nerve (C6, C7, C8)

triceps brachii - origin

long head:

infraglenoid tubercle of scapula

medial head:

posterior surface of humerus

lateral head:

posterior surface of humerus

triceps brachii - insertion

olecranon of ulna

brachioradialis - function

flexion of elbow (when forearm is between neutral and full pronation)

brachioradialis - innervation

radial nerve (C5, C6)

brachioradialis - origin

lateral supracondylar ridge of humerus

intermuscular septum

brachioradialis - insertion

styloid process of radius

ancoenus - function

extension of elbow

anconeus - innervation

radial nerve (C6, C7, C8)

anconeus - origin

lateral epicondyle of humerus

anconeus - insertion

olecranon of ulna

pronator teres - function

pronation of forearm

pronator teres - innervation

median nerve (C6, C7)

pronator teres - origin

medial epicondyle of humerus

coronoid process of ulna

pronator teres - insertion

lateral aspect of radius

flexor carpi radialis - function

flexion of wrist

radial deviation of wrist

flexor carpi radialis - innervation

median nerve (C6, C7)

flexor carpi radialis - origin

medial epicondyle of humerus

flexor carpi radialis - insertion

base of metacarpals II and III

palmaris longus - function

flexion of wrist

palmaris longus - innervation

median nerve (C7, C8)

palmaris longus - origin

medial epicondyle of humerus

palmaris longus - insertion

palmar aponeurosis

flexor carpi ulnaris - function

flexion of wrist

ulnar deviation of wrist

flexor carpi ulnaris - innervation

ulnar nerve (C7, C8, T1)

flexor carpi ulnaris - origin

medial epicondyle of humerus

olecranon of ulna

flexor carpi ulnaris - insertion

base of metacarpal V
pisiform bone
hook of hamete

flexor digitorum superficialis - function

flexion of wrist

flexion of digits 2-5 (at PIP and MCP joints)

flexor digitorum superficialis - innervation

median nerve (C8, T1)

flexor digitorum superficialis - origin

medial epicondyle of humerus

coronoid process of ulna

radius

flexor digitorum superficialis - insertion

middle phalanges of digits 2-5 (palmar surface)

flexor digitorum profundus - function

flexion of wrist

flexion of digits 2-5 (at DIP and MCP joints)

flexor digitorum profundus - innervation

lateral half:

median nerve (anterior interosseous nerve)

medial half:

ulnar nerve (C8, T1)

flexor digitorum profundus - origin

ulna

interosseous membrane

flexor digitorum profundus - insertion

distal phalanges of digits 2-5 (palmar surface)

flexor pollicis longus - function

flexion of thumb (at IP and MCP joints)

flexor pollicis longus - innervation

median nerve (anterior interosseous nerve) (C7, C8)

flexor pollicis longus - origin

anterior surface of radius

interosseous membrane

flexor pollicis longus - insertion

distal phalanx of thumb (palmar surface)

pronator quadratus - function

pronation of forearm

pronator quadratus - innervation

median nerve (anterior interosseous nerve) (C7, C8)

pronator quadratus - origin

distal anterior surface of ulna

pronator quadratus - insertion

distal anterior surface of radius