Thigh and Leg Muscles (O/I/A) Flashcards
Iliopsoas
O: Iliac fossa
I: Lesser trochanter of femur
A: Thigh flexion
Sartorius
O: Anterior superior iliac spine
I: Medial knee and tibia
A: Flex, abduct, rotate thigh
Adductor longus
O: Pubis
I: Linea aspera
A: Adduct, flex, medially rotate thigh
Adductor magnus
O: Ischial and pubic rami
I: Linea aspera
A: Adduct, medially rotate, flex, extend thigh
Adductor brevis
O: Inferior ramus of pubis
I: Linea aspera
A: Adduct, medially rotate thigh
Pectineus
O: Pectineal line of pubis
I: Lesser trochanter of femur
A: Adduct, medially rotate, flex thigh
Gracilis
O: Inferior ramus and body of pubis
I: Medial surface of tibia
A: Adduct, flex, medially rotate thigh
Rectus femoris
O: Anterior iliac spine
I: Patella and tibial tuberosity
A: Extend leg, flex thigh
Vastus lateralis
O: Greater trochanter, linea aspera
I: Patella and tibial tuberosity
A: Extend leg, stabilize knee
Vastus medialis
O: Linea aspera
I: Patella and tibial tuberosity
A: Extend leg
Vastus intermedius
O: Anterior and lateral proximal femur
I: Patella and tibial tuberosity
A: Extend leg
Tensor fasciae latae
O: Iliac crest
I: Iliotibial tract
A: Steadies trunk on thigh
Gluteus maximus
O: Dorsal ileum, sacrum, coccyx
I: Gluteal tuberosity
A: Extensor of thigh
Gluteus medius
O: Lateral surface of ileum
I: Greater trochanter of femur
A: Abduct, medially rotate thigh
Gluteus minimus
O: External surface of ileum
I: Greater trochanter
A: Abduct, meially rotate thigh
