front 1 iliopsoas (iliacus and psoas major) | back 1 flexion of thigh and lateral rotation of femur |
front 2 sartorius | back 2 flexion of thigh and lateral rotation of femur |
front 3 adductor magnus | back 3 adduction and extension of thigh |
front 4 adductor longus and brevis | back 4 adduction of thigh |
front 5 pectineus | back 5 adducts, flexes, and medially rotates thigh |
front 6 gracilis | back 6 adduction of thigh; flexion of leg |
front 7 rectus femoris (quadriceps) | back 7 extension of leg; flexion of thigh |
front 8 vastus lateralis (quadriceps) | back 8 extension of leg |
front 9 vastus medialis (quadriceps) | back 9 extension of leg |
front 10 vastus intermedius (quadriceps) | back 10 extension of leg |
front 11 tensor fasciae latae | back 11 flexion, abduction, and medial rotation of thigh |
front 12 gluteus medius | back 12 abduction of thigh |
front 13 gluteus maximus | back 13 extension, lateral rotation, and abduction of thigh |
front 14 biceps femoris (hamstrings) | back 14 flexion of leg; extension of thigh |
front 15 semitendinosus | back 15 flexion of leg; extension of thigh |
front 16 semimembranosus | back 16 flexion of leg; extension of thigh |
front 17 tibialis anterior | back 17 dorsiflexes and inverts foot |
front 18 extensor digitorum longus | back 18 extension of toes 2-5; dorsiflexion and eversion of foot |
front 19 extensor hallucis longus | back 19 extension of toes; dorsiflexion and inversion of great toe |
front 20 fibularis (peroneus) tertius | back 20 dorsiflexion and eversion of the foot |
front 21 fibularis (peroneus) brevis | back 21 plantar flexion and eversion of foot |
front 22 fibularis (peroneus) longus | back 22 plantar flexion and eversion of foot |
front 23 gastrocnemius (medial and lateral head) | back 23 plantar flexion of foot; flexion of leg |
front 24 plantaris | back 24 plantar flexion of foot; flexion of leg |
front 25 soleus | back 25 plantar flexion of foot |
front 26 flexor digitorum longus | back 26 plantar flexion and inversion of foot; flexion of toes II-V |
front 27 flexor hallucis longus | back 27 plantar flexion and inversion of foot; flexion of great toe |