The Six Lateral Rotators Of Hip Joint

Question 1

Origin of piriformis

Answer 1

From the middle three sacral vertebrae in the pelvis then it leaves the pelvis through the greater sciatic foramen to enter the gluteal region

Question 2

Insertion of piriformis

Answer 2

Inserted into the tip of the greater trochanter

Question 3

Nerve supply of piriformis

Answer 3

Branches from sacral plexus S1,S2

Question 4

Action of piriformis

Answer 4

Lateral rotation of thigh at hip joint