Forearm

Question 0

Extensor carpi radialis brevis

Answer 0

Origin: lateral epicondyle of humerus
Insertion: dorsal aspect of base of third meracarpal

Question 1

Extensor carpi radialis lungus

Answer 1

Origin: lateral supra-epicondyle ridge of humerus
Insertion:dorsal aspect of base of second metacarpal
Nerve: radial (C6-7)

Question 2

Extensor digitorum

Answer 2

Origin: Lateral epicondyle of humerus
Insertion: extensor expansion of medial four fingers

Question 3

Extensor digiti minimi

Answer 3

Origin: lateral epicondyle of humerus
Insertion: extensor expansion of 5th finger
Nerve: posterior interosseous nerve (c7-8), continuation of deep branch of radial nerve

Question 4

Extensor carpi ulnaris

Answer 4

Origin: lateral epicondyle of humerus, posterior border of ulna via a shared aponeurosis
Insertion: dorsal aspect of base of 5th metacarpal

Question 5

Extensor indicis

Answer 5

Origin: posterior surface of distal third of ulna and interosseous membrane
Insertion: extensor expansion of 2nd finger

Question 6

Flexor carpi radialis

Answer 6

Origin: Medial epicondyle
Insertion: base of 2nd(3rd) metacarpal

Question 7

Palmaris lungus

Answer 7

Origin: medial epicondyle
Insertion: distal half of flexor reticulum, palmar aponeurosis

Question 8

Flexor carpi ulnaris: humeral head

Ulnar head

Answer 8

Origin: Olecranon and posterior border of ulna (via aponeurosis)
Insertion: pisiform, hook of hamate, 5th metacarpal

Question 9

Flexor digitorum superficialis

Answer 9

Origin: humero-ulnar head: medial epicondyle of humerus and coronoid process of ulna.
Radial head: oblique line of radius.
Insertion: shafts (bodies) of middle phalanges of medial four digit.

Question 10

Flexor digitorum profundus

Answer 10

Origin: proximal three quarters of medial and anterior surfaces of ulna and interosseous membrane.
Insertion: bases of distal phalanges of 2nd, 3rd, 4th, and 5th digits.

Question 11

Pronator quadratus

Answer 11

Origin: Distal quarter of anterior surface of ulna.
Insertion: distal quarter of anterior surface of radius