Anterior Antebrachium (Layer 2)

Question 1

Flexor Digitorum Superficialis

Answer 1

O: medial epicondyle of humerus, coranoid process of ulna and superoanterior radius
I: middle phalanx of medial 4 digits (palmar)
Inn: Median N (c7-t1)
BS: Ulnar A
A: Flex hand, IP and MCP joints

Question 2

• Name the six muscles the ulnar A supplies in the anterior compartment of the forearm.
• Two radial A
• Three anterior interosseus A

Answer 2

• pronator Teres, fcr, pl, fcu, fds, fdp
• fpl, pronator quadratus
• fdp, fpl, pq