Anterior Forearm

Question 1

Brachioradialis
(O, I, A, N)

Answer 1

O: Lateral Supracondylar Ridge of Humerus
I: Styloid Process of Radius
A:
-Flexion of forearm at elbow jt
-Pronation and supination of forearm at radioulnar joint
N: Radial

Question 2

Pronator Teres
(O, I, A, N)

Answer 2

O:
-Medial Epicondyle of Humerus via CFT
-Coronoid Process of Ulna
I: Lateral Radius (middle 1/3)
A:-Pronation of the forearm at radioulnar joint
-Flexion of forearm at elbow joint
N: Median

Question 3

Flexor Carpi Radialis
(O, I, A, N)

Answer 3

O: Medial Epicondyle of Humerus via CFT
I: Bases of metacarpals 2 and 3
A:
-Flexion of hand at wrist joint
-Radial deviation of hand at wrist joint
N: Median

Question 4

Palmaris Longus
(O, I, A)

Answer 4

O: Medial Epicondyle of Humerus via CFT
I: Palmar aponeurosis and flexor retinaculum
A: Flexion of hand at wrist joint

Question 5

Flexor Carpi Ulnaris
(O, I, A, N)

Answer 5

O: Medial Epicondyle of Humerus via CFT
I: Base of metacarpal 5, pisiform, and hook of hamate
A:
-Flexion of hand at wrist joint
-Ulnar deviation of hand at wrist joint
N: Ulnar

Question 6

Flexor Digitorum Superficialis
(O, I, A)

Answer 6

O:
Humeroulnar head: Medial epicondyle via CFT and coronoid process of ulna
Radial head: proximal 1/3rd of radius
I: Middle phalanx of digits 2-5
A:
-Flexion of digits #2-#5 at PIP and MCP joints
-Flexion of hand at wrist joint

Question 7

Flexor Digitorum Profundus
(O, I, A)

Answer 7

O: Proximal Ulna and Interosseus Membrane
I: Distal Phalanx of Digits 2-5
A:
-Flexion of digits 2-5 at MCP, PIP, and DIP joints
-Flexion of hand at wrist joint

Question 8

Flexor Pollicis Longus
(O, I, A)

Answer 8

O: Anterior Surface of Radius and Interosseus Membrane
I: Distal Phalanx of thumb
A:
-Flexion of thumb at CMC, MCP, and IP joints
-Flexion of hand at wrist joint

Question 9

Pronator Quadratus
(O, I, A)

Answer 9

O: Anterior distal Ulna
I: Anterior distal radius
A: Pronation of forearm at radioulnar joint