Gluteal Muscles - ABD and Rotation Flashcards
Gluteus maximus m. - origin
- ilium posterior to posterior gluteal line
- dorsal surface of sacrum and coccyx
- sacrotuberous ligament
Gluteus maximus m. - insertion
- IT Tract, which inserts into lat. condyle of tibia
- some fibers insert on gluteal tuberosity
Gluteus maximus m. - nerve
Inferior gluteal n. (L5, S1, S2)
Gluteus maximus m. - blood supply
Inferior gluteal a.
Gluteus maximus m. - action
- extends thigh (esp. from flexed position)
- assists in ER
- steadies thigh
- assist in rising from sitting
Gluteus medius m. - origin
external surface of ilium b/t A&P gluteal lines
Gluteus medius m. - insertion
Lateral surface of greater trochanter of femur
Gluteus medius m. - nerve
Superior gluteal n. (L5, S1)
Gluteus medius m. - blood supply
Superior gluteal a.
Gluteus medius m., Gluteus minimus m., Tensor fasciae latae m. - action
- abduct thigh
- IR thigh
- keep pelvis level when ipsilateral limb is weight-bearing and advance opposite/ unsupported side during swing phase
Gluteus minimus m. - origin
external surface of ilium b/t anterior and inferior gluteal lines
Gluteus minimus m. - insertion
anterior surface of greater trochanter of femur
Gluteus minimus m. - nerve
Superior gluteal n. (L5, S1)
Gluteus minimus m. - blood supply
Superior gluteal a.
Tensor fasciae latae m. - origin
- ASIS
- anterior part of iliac crest