Glutes Flashcards
(33 cards)
What vertebral levels do the sciatic and pudendal nerves originate from?
Sciatic (L4 - S3)
Pudendal (S2 - S4)
What structures form the greater and lesser sciatic foramen?
Sacrotuberous ligament
Sacrospinous ligament
Nerves enter/exit pelvis & perineum via?
Greater and lesser sciatic foramen
List the superficial gluteal muscles
Gluteus maximus
Gluteus medius
Gluteus minimus
Tensor fasciae latae
What is the origin + insertion of gluteus maximus?
Iliac crest/sacrum
Gluteal tuberosity of femur/iliotibial tract
What is the nerve + arterial supply to gluteus maximus?
Inferior gluteal nerve
Superior + inferior gluteal arteries
Which movements does gluteus maximus enable?
Hip: external rotation, abduction, extension
What is the origin + insertion of gluteus medius?
Posterior ilium (beneath maximus)
Greater trochanter of femur
What is the nerve + arterial supply to gluteus medius?
Superior gluteal nerve
Superior gluteal artery
Which movements does gluteus medius enable?
Hip: abduction
Thigh: medial rotation
What is the origin + insertion of gluteus minimus?
Between anterior + inferior gluteal line (beneath medius)
Greater trochanter of femur
What is the nerve + arterial supply to gluteus minimus?
Superior gluteal nerve
Superior gluteal artery
Which movements does gluteus minimus enable?
Hip: abduction
Thigh: medial rotation
What is the origin + insertion of tensor fasciae latae?
Iliac crest/ASIS
Iliotibial tract
What is the nerve + arterial supply to tensor fasciae latae?
Superior gluteal nerve
Lateral circumflex femoral artery
Superior gluteal artery
Which movements does tensor fasciae latae enable?
Hip: flexion, medial rotation, abduction
Knee: lateral rotation
What is the main nerve supply to the superficial gluteal muscles?
Superior gluteal nerve
(except gluteus maximus, which has inferior gluteal nerve)
List the deep gluteal muscles
Piriformis
Superior gemellus
Inferior gemellus
Obturator internus
Quadratus femoris
What is the origin + insertion of piriformis?
Sacrum
Greater trochanter of femur
What is the nerve + arterial supply to piriformis?
Nerve to piriformis
Inferior + superior gluteal artery
Lateral sacral artery
Which movements does piriformis enable?
Thigh: external rotation
What is the origin + insertion of superior gemellus?
Ischial spine
Greater trochanter of femur
What is the nerve + arterial supply to superior gemellus?
Nerve to obturator internus
Inferior gluteal artery
Which movements does superior gemellus enable?
Thigh: lateral rotation
