Muscles of the Posterior Extrinsic Hand Flashcards
1
Q
Name the Origin, Insertion, Action, and Nerve for:
Abductor Pollicis Longus
A
O: Posterior Radius & Posterior Ulna
I: Base of 1st MC
A: ABD 1st CMC
N: Posterior Interosseous N
2
Q
Name the Origin, Insertion, Action, and Nerve for:
Extensor Pollicis brevis
A
O: Posterior Radius
I: Base 1st PP
A: Ext 1st CMC & MCP
N: Posterior Interosseous N
3
Q
Name the Origin, Insertion, Action, and Nerve for:
Extensor Pollicis Longus
A
O: Posterior Ulna
I: Base 1st DP
A: Ext 1st CMC, MCP, IP
N: Posterior Interosseous N
4
Q
Name the Origin, Insertion, Action, and Nerve for:
Extensor Indicis
A
O: Posterior Ulna
I: 2nd MP & DP
A: Ext 2nd MCP-DIP, Ext - wrist
N: Posterior Interosseous N