Question

a. From
. What is origin of piriformis?
upper
three sacral vertebrae
b. Lower margin of lesser sciatic notch
c. Upper margin of lesser sciatic notch
d. Lower margin of greater sciatic notch​

Answer 1

Answer:

Hii

Origin and insertion

Origin and insertionThis is a flat pyramid-shaped muscle that arises from the anterior surface of the sacrum, between the sacral foramina. It passes laterally to exit the bony pelvis through the greater sciatic foramen, often attaching to the gluteal surface of the ilium, close to the posterior inferior iliac spine.