Hand O/I

Question 1

Flexor digitorum superficialis

Answer 1

Origin: Medial epicondyle of humerus via common flexor tendon
Ulnar collateral ligament
Medial part coronoid process
Upper 2/3 anterior border radius

Insertion: Palmar surface base of middle phalanx of all fingers

Question 2

Flexor digitorum profundus

Answer 2

Origin: Medial side coronoid process
Upper 3/4 anterior and medial surfaces ulna
Middle 1/3 anterior surface interosseous membrane
Posterior border ulna via aponeurosis

Insertion: Palmar surface base distal phalanx of all fingers

Question 3

Extensor digitorum

Answer 3

Origin: Lateral epicondyle humerus via common extensor tendon

Insertion: Via dorsal digital expansion to base of posterior surface distal and middle phalanges of fingers

Question 4

Extensor indicis

Answer 4

Origin: Lower part posterior surface of ulna and adjacent interosseous membrane

Insertion: Joins dorsal digital expansion of the index finger

Question 5

Extensor digiti minimi

Answer 5

Origin: Lower epicondyle of humerus via common extensor tendon

Insertion: Joins dorsal digital expansions of little finger