Pelvis and hip actions

Psoas major

trunk flexion

Iliacus

Hip flexion and external rotation

Gluteus maximus

Hip extension, external rotation, and abduction

Gluteus medius

Hip abduction

Anterior fibers: Flexion and internal rotation

Posterior fibers: Extension and external rotation

Gluteus minimus 

Hip Flexion and external rotation

Biceps Femoris

Hip:

Extension and external rotation

Knee:

Flexion and external rotation

Semitendinosus

Hip:

Extension and internal rotation

Knee:

Flexion and internal rotation

Semimembranosus 

Hip:

Extension and internal rotation

Knee:

Flexion and internal rotation

Tensor Fasciae Latae

Hip flexion, abduction, and Internal rotation

Sartorius

Hip:

Flexion, abduction, and external rotation

Knee:

Flexion, internal rotation

Pectineus

Hip flexion, adduction, and internal rotation

Adductor Brevis

Hip Adduction, flexion, and internal rotation

Adductor Longus

Hip adduction, flexion, and internal rotation

Gracilis

Hip:

Adduction, flexion, and internal rotation

Knee:

Flexion

Adductor Magnus

Hip adduction and internal rotation

Anterior:

Flexion

Posterior:

Extension

Obturator Externus

Hip adduction and external rotation

Piriformis

Hip Abduction and external rotation

Superior Gemellus

External rotation

Obturator internus

external rotation

Inferior Gemellus

external rotation

Quadratus femoris

Hip extension and external rotation