ATSU SOMA Anatomy of Gluteal Region,
Foot and Upper Limb
Origin of gluteus maximus - correct answer ✔✔Ilium, sacrum, coccyx
Insertion of gluteus maximus - correct answer ✔✔IT tract, gluteal tuberosity
Innervation of gluteus maximus - correct answer ✔✔Inferior gluteal nerve
Action of gluteus maximus - correct answer ✔✔Extends hip joint; lateral rotation; assists in rising from
sitting position
Origin of gluteus medius - correct answer ✔✔Ilium between anterior and posterior gluteal lines
Insertion of gluteus medius - correct answer ✔✔Lateral surface of greater trochanter of femur
Innervation of gluteus medius - correct answer ✔✔Superior gluteal nerve
Action of gluteus medius - correct answer ✔✔Abducts and medially rotates hip joint, maintains level
pelvis during walking
Origin of gluteus minimus - correct answer ✔✔External surface of ilium between anterior and inferior
gluteal lines
Insertion of gluteus minimus - correct answer ✔✔Anterior surface of greater trochanter of femur
Innervation of gluteus minimus - correct answer ✔✔Superior gluteal nerve
,Action of gluteus minimus - correct answer ✔✔Abducts and medially rotates hip joint, maintains level
pelvis during walking
Origin of tensor fascia latae - correct answer ✔✔ASIS and anterior part of iliac crest
Insertion of tensor fascia latae - correct answer ✔✔IT tract, which attaches to lateral condyle of tibia
Innervation of tensor fascia latae - correct answer ✔✔Superior gluteal nerve
Action of tensor fascia latae - correct answer ✔✔Abducts and medially rotates hip joint, maintains level
pelvis while walking
Origin of piriformis - correct answer ✔✔Anterior surface of sacrum
Insertion of piriformis - correct answer ✔✔Superior border of greater trochanter of femur
Innervation of piriformis - correct answer ✔✔Branches of anterior rami S1 and S2
Action of piriformis - correct answer ✔✔Laterally rotates extended hip joint and abducts hip joint when
flexes, stabilizes hip joint
Origin of obturator internus - correct answer ✔✔Pelvic surface of obturator membrane and surrounding
bones
Insertion of obturator internus - correct answer ✔✔Medial surface of greater trochanter of femur
Innervation of obturator internus - correct answer ✔✔Nerve to obturator internus
Action of obturator internus - correct answer ✔✔Laterally rotates extended hip joint; abducts hip joint
when flexes; stabilizes hip joint
, Origin of superior and inferior gemelli - correct answer ✔✔Superior: ischial spine
Inferior: ischial tuberosity
Insertion of superior and inferior gemelli - correct answer ✔✔Medial surface of greater trochanter of
femur
Innervation of superior and inferior gemelli - correct answer ✔✔Superior: Nerve to obturator internus
inferior
Inferior: Nerve to quadratus femoris
Action of superior and inferior gemelli - correct answer ✔✔Laterally rotate extended hip joint; abducts
hip joint when flexed; stabilizes hip joint
Origin of quadratus femoris - correct answer ✔✔Lateral border of ischial tuberosity
Insertion of quadratus femoris - correct answer ✔✔intertrochanteric crest of femur
Innervation of quadratus femoris - correct answer ✔✔Nerve to quadratus femoris
Action of quadratus femoris - correct answer ✔✔Laterally rotates hip joint; stabilizes hip joint
The superior clunial nerve originates from _________________ - correct answer ✔✔Lateral cutaneous
branches of posterior rami of L1-L3 spinal nerves
The superior clunial nerve supplies ___________________ - correct answer ✔✔Skin of superior butt as
far as tubercle of iliac crest
Foot and Upper Limb
Origin of gluteus maximus - correct answer ✔✔Ilium, sacrum, coccyx
Insertion of gluteus maximus - correct answer ✔✔IT tract, gluteal tuberosity
Innervation of gluteus maximus - correct answer ✔✔Inferior gluteal nerve
Action of gluteus maximus - correct answer ✔✔Extends hip joint; lateral rotation; assists in rising from
sitting position
Origin of gluteus medius - correct answer ✔✔Ilium between anterior and posterior gluteal lines
Insertion of gluteus medius - correct answer ✔✔Lateral surface of greater trochanter of femur
Innervation of gluteus medius - correct answer ✔✔Superior gluteal nerve
Action of gluteus medius - correct answer ✔✔Abducts and medially rotates hip joint, maintains level
pelvis during walking
Origin of gluteus minimus - correct answer ✔✔External surface of ilium between anterior and inferior
gluteal lines
Insertion of gluteus minimus - correct answer ✔✔Anterior surface of greater trochanter of femur
Innervation of gluteus minimus - correct answer ✔✔Superior gluteal nerve
,Action of gluteus minimus - correct answer ✔✔Abducts and medially rotates hip joint, maintains level
pelvis during walking
Origin of tensor fascia latae - correct answer ✔✔ASIS and anterior part of iliac crest
Insertion of tensor fascia latae - correct answer ✔✔IT tract, which attaches to lateral condyle of tibia
Innervation of tensor fascia latae - correct answer ✔✔Superior gluteal nerve
Action of tensor fascia latae - correct answer ✔✔Abducts and medially rotates hip joint, maintains level
pelvis while walking
Origin of piriformis - correct answer ✔✔Anterior surface of sacrum
Insertion of piriformis - correct answer ✔✔Superior border of greater trochanter of femur
Innervation of piriformis - correct answer ✔✔Branches of anterior rami S1 and S2
Action of piriformis - correct answer ✔✔Laterally rotates extended hip joint and abducts hip joint when
flexes, stabilizes hip joint
Origin of obturator internus - correct answer ✔✔Pelvic surface of obturator membrane and surrounding
bones
Insertion of obturator internus - correct answer ✔✔Medial surface of greater trochanter of femur
Innervation of obturator internus - correct answer ✔✔Nerve to obturator internus
Action of obturator internus - correct answer ✔✔Laterally rotates extended hip joint; abducts hip joint
when flexes; stabilizes hip joint
, Origin of superior and inferior gemelli - correct answer ✔✔Superior: ischial spine
Inferior: ischial tuberosity
Insertion of superior and inferior gemelli - correct answer ✔✔Medial surface of greater trochanter of
femur
Innervation of superior and inferior gemelli - correct answer ✔✔Superior: Nerve to obturator internus
inferior
Inferior: Nerve to quadratus femoris
Action of superior and inferior gemelli - correct answer ✔✔Laterally rotate extended hip joint; abducts
hip joint when flexed; stabilizes hip joint
Origin of quadratus femoris - correct answer ✔✔Lateral border of ischial tuberosity
Insertion of quadratus femoris - correct answer ✔✔intertrochanteric crest of femur
Innervation of quadratus femoris - correct answer ✔✔Nerve to quadratus femoris
Action of quadratus femoris - correct answer ✔✔Laterally rotates hip joint; stabilizes hip joint
The superior clunial nerve originates from _________________ - correct answer ✔✔Lateral cutaneous
branches of posterior rami of L1-L3 spinal nerves
The superior clunial nerve supplies ___________________ - correct answer ✔✔Skin of superior butt as
far as tubercle of iliac crest
