Origin
Ischium – spine.
Insertion
Tendon of obturator internus.
Blood supply
Inferior gluteal artery.
Nerve supply
L5, S1, S2 nerves.
Action
It helps to rotate the femur bone of thigh outwards. It laterally rotates and provides stability to the hip.
Disease/Injury
NA
Muscle Exercise
NA
Interesting facts
To balance the tension of muscles in ballet dancing and to maintain hip joint stability, you need to strengthen this muscle.