LOWER LIMB ACTIONS (PELVIS & THIGH)

What are the actions of the gluteus maximus

Extend the hip, laterally rotate the hip, abduct the hip, lower fibers adduct the hip

What are the actions of the gluteus medius

Abduct the hip, anterior fibers flex and medially rotate the hip, posterior fibers extend and laterally rotate the hip

What are the actions of the gluteus minimus

Abduct the hip, medially rotate the hip, flex the hip

What are the actions of the piriformis

Laterally rotate the hip, abduct the hip when the hip is flexed

What are the actions of the quadratus femoris

Laterally rotate the hip

What are the actions of the obturator internus

Laterally rotate the hip

What are the actions of the obturator externus

Laterally rotate the hip

What are the actions of the gemellus superior

Laterally rotate the hip

What are the actions of the gemellus inferior

Laterally rotate the hip

What are the actions of the iliacus

Flex the hip, may laterally rotate the hip, flex the trunk toward the thigh, tilt pelvis anteriorly

What are the actions of the psoas major

Flex the hip, may laterally rotate the hip, flex the trunk toward the thigh, tilt pelvis anteriorly, unilaterally assist in lateral flexion of lumbar spine

What are the actions of the psoas minor

Assist in creating lordotic curvature in the lumbar spine, tilt pelvis posteriorly

What are the actions of the rectus femoris

Extend the knee, flex the hip

What are the actions of the vastus lateralis

Extend the knee

What are the actions of the vastus medialis

Extend the knee

What are the actions of the vastus intermedius

Extend the knee

What are the actions of the biceps femoris long head

Flex the knee, laterally rotate the flexed knee, extend the hip, assist to laterally rotate the hip, tilt pelvis posteriorly

What are the actions of the biceps femoris short head

Flex the knee, laterally rotate the flexed knee

What are the actions of the semitendinosus

Flex the knee, medially rotate the flexed knee, extend the hip, assist to medially rotate the hip, tilt pelvis posteriorly

What are the actions of the semimembranosus

Flex the knee, medially rotate the flexed knee, extend the hip, assist to medially rotate the hip, tilt pelvis posteriorly

What are the actions of the adductor magnus

Adduct the hip, medially rotate the hip, assist to flex the hip, posterior fibers extend the hip

What are the actions of the adductor longus

Adduct the hip, medially rotate the hip, assist to flex the hip

What are the actions of the adductor brevis

Adduct the hip, medially rotate the hip, assist to flex the hip

What are the actions of the pectineus

Adduct the hip, medially rotate the hip, assist to flex the hip

What are the actions of the gracilis

Adduct the hip, medially rotate the hip, flex the knee, medially rotate the flexed knee

What are the actions of the tensor fasciae latae

Flex the hip, medially rotate the hip, abduct the hip

What are the actions of the sartorius

Flex the hip, laterally rotate the hip, abduct the hip, flex the knee, medially rotate the flexed knee