đź’Ş Gluteus Maximus

Summary

Origin
  1. Coccyx
  2. Edge of sacrum
  3. Posterior iliac crest
  4. Sacrotuberous adn sacroilian ligaments
Insertion
  1. Iliotibial tract (upper fibers)
  2. Gluteal tuberosity (lower fibers)
Actions All fibers:
  1. Extends the hip
  2. Laterally rotates the hip
  3. Abducts the hip
Lower fibers:
  1. Adducts the hip

Examples

Albinus

Peter Paul Rubens, Example from Hale and Coyle

Study of Male Figure, Seen From Behind

Peter Paul Rubens
Hale and Coyle, p38

Symbol Muscle
A Gluteus maximus
B Gluteus medius
C Greater trochanter
D Iliac crest
E Posterior Superior Iliac Spine (PSIS)
F Sacral triangle
G Sacral framina
H Top of coccyx
I Split of the buttocks
J Sacro-iliac joint
K Lumbar vertebrae
L “Strong cords” – erector spinae and alike? the text isn’t clear
M C7
N Thoracic vertebrae

References