Muscles of the Lower Body I: AOI Flashcards
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Psoas Major
Origin
Transverse processes and bodies of T12-L5
Psoas Major
Action
Flexes thigh
Psoas Major
Insertion
Lesser trochanter of the femur with iliacus
Iliacus
Action
Flexes thigh
Iliacus
Origin
Iliac fossa
Iliacus
Insertion
Lesser trochanter of the femur with psoas major
Gluteus Maximus
Action
Extends thigh; laterally rotates thigh
Gluteus Maximus
Insertion
IT Band, linea aspera, gluteal tuberosity
Gluteus Medius
Action
Abducts thigh; medially rotates thigh
Gluteus Medius
Insertion
Greater trochanter of the femur
Gluteus Minimus
Action
Abducts thigh; medially rotates thigh
Gluteus Minimus
Insertion
Greater trochanter of the femur
Piriformis
Action
Laterally rotates thigh
Piriformis
Origin
Sacrum
Piriformis
Insertion
Greater trochanter