Anterior Forearm Muscles

Question 1

O: The supinator crest of the ulna and Lateral epicondyle of the humerus and the proximal ulna
I: The proximal 1/3 of the posterior, lateral, and anterior sides of the proximal radius
A: Supinates the forearm at the RU joints

Answer 1

Supinator

Question 2

Humeral Head: Medial epicondyle of the humerus via the CFT, and the medial supracondylar ridge of the humerus
Ulnar Head: Coronoid process of the ulna on the medial surface
I: Middle 1/3 of the lateral radius
A: Pronates the forearm at the RU joints
Flexes the forearm at the elbow joint

Answer 2

Pronator Teres

Question 3

O: Distal 1/4 of the anterior distal ulna
I: Distal 1/4 of anterior distal radius
A: Pronates the forearm at the RU joints

Answer 3

Pronator Quadratus

Question 4

O: Medial epicondyle of the humerus via the CFT
I: The anterior side of the bases of the 2nd & 3rd metacarpals of the anterior hand on the radial side
A: Flexes the hand at the wrist joint
Radially deviates the hand at the wrist joint

Answer 4

Flexor Carpi Radialis

Question 5

O: Medial epicondyle of the humerus via the CFT
I: The palmar aponeurosis and the flexor retinaculum of the palm of the hand
A: Flexes the hand at the wrist joint

Answer 5

Palmaris Longus

Question 6

O: Medial epicondyle of the humerus via the CFT, medial margin of the olecranon and the posterior proximal 2/3 of the ulna
I: The Pisiform, hook of hamate, and the base of the 5th metacarpal of the anterior hand on the ulnar side
A: Flexes the hand at the wrist joint
Ulnar deviates the hand at the wrist joint

Answer 6

Flexor Carpi Ulnaris

Question 7

O: Proximal 1/2 ( just distal to the ulnar Tuberosity) and the interosseous membrane of the medial and anterior ulna
I: Distal phalanges of the anterior surfaces of fingers 2-5
A: Flexes fingers 2-5 at the MCP,PIP, and DIP joints
Flexes the hand at the wrist joint

Answer 7

Flexor Digitorum Profundus

Question 8

Humeroulnar Head: Medial epicondyle of the humerus via the CFT, and the Coronoid process of the ulna
Radial Head: Proximal 1/2 of the anterior shaft of the radius ( just distal to the radial tuberosity)
I: Anterior surface of the middle phalanges of digits 2-5
A: Flexes fingers 2-5 @ MCP and PIP joints
Flexes the hand at the wrist joint

Answer 8

Flexor Digitorum Superficialis

Question 9

O: Anterior surface of the radius, and the interosseous membrane, the medial epicondyle of the humerus, and the coronoid process of the ulna
I: Anterior aspect of the base of the distal phalanx of the Thumb
A: Flexes the thumb @ CMC, MCP and IP joints
Flexes the hand at the wrist joint

Answer 9

Flexor Pollicis Longus