| Question | Answer |
| Brachialis | O: Distal half of anterior surface of humerus
I: Tuberosity and coronoid process of ulna
A: Flex the elbow |
| Brachioradialis | O: Proximal 2/3rds of the lateral supracondylar ridge of humerus
I: Styloid process of radius
A: -Flex the elbow
-Assist to pronate and supinate the forearm when those movements are resisted |
| Extensor Carpi Radialis Longus | O: Distal 1/3rd of the lateral supracondylar ridge of humerus
I: Base of the 2nd metacarpal
A: -Extend the wrist
-Abduct the wrist
-Assist to flex the elbow |
| Extensor Carpi Radialis Brevis | O: Common extensor tendon from the lateral epicondyle of the humerus
I: Base of 3rd metacarpal
A: -Extend the wrist
-Abduct the wrist
-Assist to flex the elbow |
| Extensor Carpi Ulnaris | O: Common extensor tendon from the lateral epicondyle of the humerus
I: Base of 5th metacarpal
A: -Extend the wrist
-Adduct the wrist |
| Extensor Digitorum | O: Common extensor tendon from the lateral epicondyle of the humerus
I: Bases of middle and distal phalanges of 2nd-5th fingers
A: -Extend the 2nd-5th fingers
-Assist to extend the wrist |
| Anconeus | O: Lateral epicondyle of the humerus
I: Olecranon process and posterior, proximal surface of ulna
A: Extend the elbow |
| Extensor Indicis | O: Posterior surface of distal shaft of ulna and interosseous membrane
I: Tendon of extensor digitorum at the level of 2nd metacarpal
A: -Extend the 2nd finger
-Adduct the 2nd finger
-May assist the extend the wrist |
| Flexor Carpi Radialis | O: Common flexor tendon from medial epicondyle of the humerus
I: Bases of 2nd and 3rd metacarpals
A: -Flex the wrist
-Abduct the wrist
-May assist to flex the elbow |
| Palmaris Longus | O: Common flexor tendon from medial epicondyle of the humerus
I: Flexor retinaculum and palmar aponeurosis
A: -Tense the palmar fascia
-Flex the wrist
-May assist to flex the elbow |
| Flexor Carpi Ulnaris | O: -Humeral Head: Common flexor tendon from medial epicondyle of humerus
-Ulnar Head: Posterior surface of proximal 2/3rds of ulna
I: Pisiform, hook of hamate, and base of 5th metacarpal
A: -Flex the wrist
-Adduct the wrist
-Assist to flex the elbow |
| Flexor Digitorum Superficialis | O: Common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament, coronoid process of ulna, interosseous membrane& proximal shaft of radius
I: Sides of middle phalanges of 2nd-5th fingers
A: -Flex the 2nd-5th fingers
-Flex the wrist |
| Flexor Digitorum Profundus | O: Anterior and medial surfaces of proximal three-quarters of ulna
I: Bases of distal phalanges, palmar surface of 2nd-5th fingers
A: -Flex 2nd-5th fingers
-Assist to flex the wrist |
| Pronator Teres | O: Common flexor tendon from medial epicondyle of humerus and coronoid process of the ulna
I: Middle of lateral surface of the radius
A: -Pronate the forearm
-Assist to flex the elbow |
| Pronator Quadratus | O: Medial, anterior surface of distal ulna
I: Lateral, anterior surface of distal radius
A: Pronate the forearm |
| Supinator | O: Lateral epicondyle of the humerus, radial collateral ligament, annular ligament, supinator crest of of the ulna
I: Anterior lateral shaft of proximal 1/3rd of radial shaft
A: Supinate the forearm |
