| A | B |
|---|
| Rectus Femoris | Extend the knee, flex the hip |
| Vastus Lateralis, Vastus Medialis, Vastus Intermedius | Extend the knee |
| Biceps Femoris | Flex & laterally rotate the knee, extend & laterally rotate the hip, tilt the pelvis posteriorly |
| Semimembranosus, Semitendinosus | flex the knee, medially rotate the flexed knee, extend & medially rotate the hip, tilt the pelvis posteriorly |
| Gluteus Maximus | All: extend, laterally rotate, & abduct the hip. Lower: adduct the hip |
| Gluteus Medius | All: abduct the hip. Anterior: flex & medially rotate the hip. Posterior: extend & laterally rotate the hip |
| Gluteus Minimus | Abduct, medially rotate, and flex the hip |
| Adductor Magnus | All: Adduct & medially rotate the hip, help to flex the hip. Posterior: Extend the hip |
| Adductor Longus, Adductor Brevis | Adduct & medially rotate the hip, help to flex the hip |
| Gracilis | Adduct & medially rotate hip. Flex the knee, medially rotate the flexed knee |
| Pectineus | Adduct & medially rotate the hip. Help to flex the hip |
| Tensor Fascia Latae | Flex, medially rotate, and abduct the hip |
| Sartorius | Flex, laterally rotate, & abduct the hip. Flex the knee, medially rotate the flexed knee. |
| Piriformis | Laterally rotate the hip, abduct the hip when hip is flexed. |
| Obturator Internus, Obturator Externus, Gemellus Superior, Gemellus Inferior, Quadratus Femoris | Laterally rotate the hip |
| Psoas Major, Iliacus | Flex, laterally rotate, and adduct the hip |
