Pelvis Muscles

Question 1

Psoas Minor

Answer 1

Origin - T12, L1
Insertion - Superior Ramus of Pubis
Action - Posterior Pelvic Tilt
Innervation - Lumbar Nerve
Blood Supply - Lumbar Artery

Question 2

Levator Ani

Answer 2

Origin - Pubis, Ischial Spine
Insertion - Coccyx
Action - Support Pelvic Viscera
Innervation - Sacral Nerves 3.4
Blood Supply - Inferior Gluteal Artery

Question 3

Ischiococcygeus

Answer 3

Origin - Ischial Spine
Insertion - Lower Sacrum, Upper Coccyx
Action - Pulls Coccyx Anterior
Innervation - Sacral Nerve 4, 5
Blood Supply - Inferior Vesical Artery