mm Flashcards
What is the superficial layer muscle that originates from the iliac crest, sacrum, and sacrotuberous ligament?
Gluteus maximus
What is the insertion point for the gluteus maximus?
Iliotibial tract, gluteal tuberosity, femoral shaft
What is the origin of the gluteus medius?
Ilium external surface
What is the insertion point for the gluteus medius?
Greater trochanter
What is the origin of the gluteus minimus?
Ilium external surface
What is the insertion point for the gluteus minimus?
Greater trochanter
What is the origin of the tensor fasciae latae?
Iliac crest
What is the insertion point for the tensor fasciae latae?
Iliotibial tract
What are the short lateral rotators of the thigh in the deep layer?
Piriformis, Gemellus superior, Obturator internus, Gemellus inferior, Obturator externus, Quadratus femoris
What is the origin of the piriformis?
Sacrum, sacrotuberous ligament
What is the origin of the gemellus superior?
Ischial spine
What is the origin of the obturator internus?
Inner surface of obturator foramen
What is the origin of the gemellus inferior?
Ischial tuberosity
What is the origin of the obturator externus?
Outer margins of obturator foramen
What is the origin of the quadratus femoris?
Ischial tuberosity
What are the main actions of the gluteus maximus?
Extension, lateral rotation
What are the main actions of the gluteus medius?
Abduction, medial rotation; prevents pelvic tilt with gait
What are the main actions of the gluteus minimus?
Abduction, medial rotation; prevents pelvic tilt with gait
What are the main actions of the tensor fasciae latae?
Stabilizes knee joint in extension
What is the insertion point for the piriformis?
Greater trochanter
What is the insertion point for the obturator internus?
Greater trochanter
What is the insertion point for the obturator externus?
Greater trochanter
What is the insertion point for the quadratus femoris?
Intertrochanteric crest of femur
What is the innervation for the gluteus maximus?
Inferior gluteal
