Muscles of the Deep Anterior Antebrachium

Question 1

Name the Origin, Insertion, Action, and Nerve for:

Flexor Digitorum Profundus

Answer 1

O: Proximal 2/3 Anterior Ulna

I: Distal Phalanges 2-5

A: Flex - wrist, Flex MCP-DIP 2-5

N: Anterior Interosseous (Digits 2-3), Ulnar N (4-5)

Question 2

Name the Origin, Insertion, Action, and Nerve for:

Flexor Pollicis Longus

Answer 2

O: Anterior Radius

I: Distal 1st Phalanx

A: Flex 1st CMC, MCP, IP
Flex - wrist

N: Anterior Interosseous N

Question 3

Name the Origin, Insertion, Action, and Nerve for:

Pronator Quadratus

Answer 3

O: Distal 1/4 Anterior Surface of Ulna

I: Distal 1/4 Anterior Surface of Radius

A: Pronate RU

N: Anterior Interosseous N