Sacral plexus - Week 3 Flashcards
1
Q
Which vertebrae contain the sacral plexus?
A
L4 - S4
2
Q
Which vertebrae contains the sciatic nerve?
A
L4 - S3
3
Q
Superior gluteal nerve origin
A
L4 - S1
4
Q
Inferior gluteal nerve origin
A
L5 - S2
5
Q
Posterior femoral cutaneous origin
A
S1 - S3
6
Q
Pudendal nerve origin
A
S2 - S4
7
Q
Sciatic nerve innervates which muscles
A
Posterior thigh - Hamstrings (hip extensors, knee flexors)
8
Q
Your patient survived a motor vehicle accident, but cannot extend their knee, which nerve do you expect has been damaged?
A
Femoral nerve
