Superficial forearm extensors

Question 0

EXTENSOR CARPI RADIALIS BREVIS

Answer 0

ORIGIN: Lateral epicondyle of the humerus (common extensor tendon)

INSERTION: Base of the 3rd metacarpal

INNERVATION: Radial Nerve (C7-8)

Question 1

EXTENSOR CARPI RADIALIS LONGUS

Answer 1

ORIGIN: Lateral epicondyle of the humerus (common extensor tendon)

INSERTION: Base of the 2nd metacarpal

INNERVATION: Radial Nerve (C6-7)

Question 2

EXTENSOR CARPI ULNARIS

Answer 2

ORIGIN: Common extensor tendon, proximal posterior ulna

INSERTION: Base of the 5th metacarpal

INNERVATION: Radial Nerve (C7-8)

Question 3

EXTENSOR DIGITI MINIMI

Answer 3

ORIGIN: Common extensor tendon

INSERTION: Middle phalanx of 5th finger and distal phalanx via the Extensor Digitorum Tendon
INNERVATION: Radial Nerve (C7-8)

Question 4

EXTENSOR DIGITORUM

Answer 4

ORIGIN: Common extensor tendon

INSERTION: Middle and distal phalanx of fingers 2-5 Dorsal Extensor Hood
INNERVATION: Radial Nerve (C7-8)