Anterior Antebrachium (Layer 4)

Question 1

Pronator Quadratus

Answer 1

O: Distal anteromedial Ulna (proximal attach)
I:distal anterolateral Radius (distal attach)
Inn: Median N (c8-t1) (anterior interosseus)
BS:Radial A, Anterior interosseus A
A: Pronate forearm

Question 2

All muscles in the anterior compartment of the forearm are innervated by only the Median N. EXCEPT ….

Answer 2

Flexor Carpi Ulnaris (ulnar n) and flexor Digitorum profundus (medial-ulnar n & lateral median n)