Muscles of Posterior Forearm -- Superficial Layer

Question 1

Brachioradialis Insertion and innervation?

Answer 1

Styloid Process of the Radius, radial nerve, flexes the elbow joint

Question 2

Extensor Carpi Radialis Longus insertion and innervation?

Answer 2

The base of 2nd metacarpal, radial nerve, extends and abducts wrist

Question 3

Extensor Carpi Radialis Brevis insertion and innervation?

Answer 3

the base of the 3rd metacarpal, deep radial nerve, extends and abducts wrist

Question 4

Extensor Digitorum Insertion and innervation?

Answer 4

MP and DP of digits 2-5 via extensor expansion, posterior interosseous nerve extension of MP joint of digits 2-5

Question 5

Extensor Digiti Minimi insertion and innervation?

Answer 5

Extensor expansion, posterior interosseous nerve, extension of MP joint digit 5

Question 6

Extensor Carpi Ulnaris insertion and innervation?

Answer 6

Base of the 5th metacarpal, posterior interosseous nerve, extension and adduction of the wrist