Piriformis Flashcards
1
Q
Origin
A
Front of middle 3 sacral pieces
2
Q
Insertion
A
Leaves pelvis via greater sciatic foramen to insert in greater trochanter upper border
3
Q
Nerve supply
A
Nerve to piriformis S1 & 2 from sacral plexus
4
Q
Action
A
Thigh lateral rotation
N.B.
Sacral plexus lies lateral to it
