Muscles

Origin: rami of both pubis and ischium.

Insertion: linea aspera, adductor tubercle.

Action: adduction, some lateral rotation of hip/thigh.

Innervation: obturator n. some tibial n.

Origin: pubic bone(inferior ramus.)

Insertion: shaft of femur(posterior superior aspect.)

Action: adduction, some lateral rotation of hip/thigh.

Innervation: obturator n.

Origin: pubic bone(between crest and symphysis.)

Insertion: linea aspera.

Action: adducts, flexes, some lateral rotation of hip/thigh.

Innervation: obturator n.

Origin: pectin of pubic bone.

Insertion: shaft of femur(posterior superior aspect.)

Action: adducts and flexes hip/thigh.

Innervation: femoral n. & some obturator n.

Origin: pubic bone(medial surface of body, inferior ramus.)

Insertion: tibia(superior medial surface below medial condyle.)

Action: adduction of hip/thigh, some flexion of leg/knee.

Innervation: obturator n.

Origin: linea aspera(medial lip), intertrochanteric line.

Insertion: tibial tuberosity(via. patella/patellar ligament.)

Action: flexion of leg/knee.

Innervation: femoral n.

Origin: shaft of femur(anterior superior aspect.)

Insertion: tibial tuberosity(via. patella/patellar ligament.)

Action: flexion of leg/knee.

Innervation: femoral n.

Origin: anterior superior iliac spine, acetabulum(superior aspect.)

Insertion: tibial tuberosity(via. patella/patellar ligament.)

Action: flexion of hip/thigh, extension of leg/knee.

Innervation: femoran n.

Origin: linea aspera(lateral lip), greater trochanter(inferior aspect.)

Insertion: tibial tuberosity(via. patella/patellar ligament.)

Action: extension of leg/knee.

Innervation: femoral n.

Origin: anterior superior iliac spine.

Insertion: medial proximal tibia(below medial condyle.)

Action: flexion of hip/thigh.

Innervation: femoral n.

Origin: iliac fossa.

Insertion: lesser trochanter of femur.

Action: flexes hip.

Innervation: femoral n.

Origin: bodies of vertebrae T₁₂-L₁.

Insertion: illiopubic eminence.

Action: minor flexion of lumbar spine.

Innervation: lumbar nerve L₁.

Origin: all lumbar vertebrae(transverse processes and bodies.)

Insertion: lesser trochanter of femur.

Action: flexes trunk & thigh.

Innervation: lumbar nerves(L₁-L₃.)

Origin: obturator foramen(bony outer aspect), outer obturator membrane.

Insertion: trochanteric fossa.

Action: lateral rotation of hip/thigh.

Innervation: obturator n.

Origin: ischial tuberosity.

Insertion: greater trochanter of femur(inferior posterior aspect.)

Action: lateral rotation of hip/thigh.

Innervation: n. to quadratus femoris.

Origin: ischial tuberosity.

Insertion: greater trochanter of femur.

Action: lateral rotation, some abduction of hip/thigh.

Innervation: n. to quadratus femoris

Origin: ischial spine.

Insertion: greater trochanter of femur.

Action: lateral rotation, some abduction of hip/thigh.

Innervation: n. to obturator internus.

Origin: obturator foramen(bony inner aspect), inner obturator membrane.

Insertion: greater trochanter of femur.

Action: lateral rotation, some abduction of hip/thigh.

Innervation: n. to obturator internus.

Origin: anterior sacrum.

Insertion: greater trochanter of femur.

Action: lateral rotation, some abduction of hip/thigh.

Innervation: n. to piriformis.

Origin: outer surface of ilium(between anterior and posterior gluteal lines.)

Insertion: greater trochanter of femur(anterior surface.)

Action: abducts, medially rotates hip/thigh.

Innervation: superior gluteal n.

Origin: anterior crest of ilium, anterior superior iliac spine.

Insertion: iliotibial tract of fascia lata.

Action: flex, abduct, medially rotate hip/thigh.

Innervation: inferior gluteal n.

Origin: crest & outer surface of ilium(between anterior and posterior gluteal lines.)

Insertion: greater trochanter of femur(lateral surface.)

Action: abducts hip/thigh(anterior fibers flex/medially rotate, posterior fibers extend/laterally rotate.)

Innervation: superior gluteal n.

Origin: posterior ilium, posterior inferior sacrum & coccyx, sacrotuberous ligament.

Insertion: gluteal tuberosity, iliotibial tract of fascia lata.

Action: extension, lateral rotation of thigh.

Innervation: inferior gluteal nerve.