Anterior Antebrachium (Layer 3)

Question 1

Flexor Digitorum Profundus

Answer 1

O: proximal, medial, anterior ulna and interosseus membrane
I: distal phalanx of medial 4 digits
Inn: medial-ulnar nerve (c8-t1), lateral-median nerve (c8-t1)
BS: Ulnar A, Anterior Interosses A
A:flex hand, DIP and MCP joints

Question 2

Flexor Pollicis Longus

Answer 2

O: Anterior Radius and interosseus membrane
I: base of distal phalanx of thumb (palmar)
Inn: Median N (c8-t1) (anterior interosseus)
BS:Radial A and Anterior interosseus A
A:flex thumb, IP and MCP joints