Intermediate & Deep Muscles of the Forearm - Extensors/Posterior Flashcards
1
Q
Supinator
A
Supinates the forearm
2
Q
Abductor pollicis longus
A
Abducts the thumb
3
Q
Extensor pollicis brevis
A
Extends thumb
4
Q
Extensor pollicis longus
A
Extends thumb
5
Q
Extensor indices
A
Extends the index finger
6
Q
What 3 muscles make up the anatomical snuff box?
A
All three muscles that act on the thumb - abductor pollicis longus, extensor pollicis longus, and extensor pollicis brevis.
7
Q
What vasculature and innervation runs through it?
A
Radial artery goes along the floor of the snuff box! And radial nerve and cephalic vein.
8
Q
What makes up the floor of the anatomical snuff box?
A
Scaphoid and trapezium
9
Q
What is the clinical significance of the anatomical snuff box?
A
- If the area is tender, it could be indicative of scaphoid fracture.
- Radial pulse can be observed here.
