extensor hallucis brevis dorsal surface of calcaneus (toe extension) Plantaris calcaneus via calcaneal tendon flexor digitorum longus tibial L5, S1, (2) (plantar flexion, inversion) extensor digitorum brevis Deep fibular L4, 5, S1 popliteus Tibial L4, 5, S1 soleus plantar flex the ankle (talocrural joint) extensor hallucis longus middle, anterior surface of fibula and interosseous membrane (dorsiflexion, inversion) plantar interossei medial surfaces of 3-5 metatarsals (toe flexion) extensor digitorum longus it lifts your foot and your toes at the same time dorsal interossei abduct 2-4 toes, flex 2-4 toes (metatarsophalangeal joint) Gastrocnemius one of the few muscles that crosses two joints fibularis longus head of fibula and proximal two-thirds of lateral fibula (eversion) lumbricals first: tibial L4, 5, S1 2-4: Tibial L(4), (5), S1, 2 tibialis anterior keeps your toes from dragging while you walk flexor digitorum brevis middle phalanges of second through fifth toes (toe flexion) adductor hallucis the key for maintaining the transverse arch of your foot abductor hallucis Tibial L4, 5, S1 (toe flexion) tibialis anterior lateral condyle of the tibia; proximal, lateral surface of tibia; and interosseous membrane (inversion, dorsiflexion) popliteus medially rotate the flexed knee (tibiofemoral joint), flex the knee (T/F joint) plantaris calcaneus via calcaneal tendon (plantar flexion) fibularis brevis evert the foot, assist to plantar flex the ankle (talocrural joint) quadratus plantae assist flexor digitorum longus to flex 2-5 toes popliteus proximal, posterior aspect of tibia flexor hallucis longus Flex first toe, weak plantar flexion of ankle, invert the foot dorsal interossei adjacent surfaces of all metatarsals tibialis posterior proximal, posterior shafts of tibia and fibula; and interosseous membrane (inversion, plantar flexion) flexor hallucis brevis Tibial L4, 5, S1 abductor digiti minimi helps you stay stabilized on your foot flexor digiti minimi brevis it acts like a mini hand gripping the ground extensor hallucis brevis dorsal surface of calcaneus (toe extension) Plantaris calcaneus via calcaneal tendon flexor digitorum longus tibial L5, S1, (2) (plantar flexion, inversion) extensor digitorum brevis Deep fibular L4, 5, S1 popliteus Tibial L4, 5, S1 soleus plantar flex the ankle (talocrural joint) extensor hallucis longus middle, anterior surface of fibula and interosseous membrane (dorsiflexion, inversion) plantar interossei medial surfaces of 3-5 metatarsals (toe flexion) extensor digitorum longus it lifts your foot and your toes at the same time dorsal interossei abduct 2-4 toes, flex 2-4 toes (metatarsophalangeal joint) Gastrocnemius one of the few muscles that crosses two joints fibularis longus head of fibula and proximal two-thirds of lateral fibula (eversion) lumbricals first: tibial L4, 5, S1 2-4: Tibial L(4), (5), S1, 2 tibialis anterior keeps your toes from dragging while you walk flexor digitorum brevis middle phalanges of second through fifth toes (toe flexion) adductor hallucis the key for maintaining the transverse arch of your foot abductor hallucis Tibial L4, 5, S1 (toe flexion) tibialis anterior lateral condyle of the tibia; proximal, lateral surface of tibia; and interosseous membrane (inversion, dorsiflexion) popliteus medially rotate the flexed knee (tibiofemoral joint), flex the knee (T/F joint) plantaris calcaneus via calcaneal tendon (plantar flexion) fibularis brevis evert the foot, assist to plantar flex the ankle (talocrural joint) quadratus plantae assist flexor digitorum longus to flex 2-5 toes popliteus proximal, posterior aspect of tibia flexor hallucis longus Flex first toe, weak plantar flexion of ankle, invert the foot dorsal interossei adjacent surfaces of all metatarsals tibialis posterior proximal, posterior shafts of tibia and fibula; and interosseous membrane (inversion, plantar flexion) flexor hallucis brevis Tibial L4, 5, S1 abductor digiti minimi helps you stay stabilized on your foot flexor digiti minimi brevis it acts like a mini hand gripping the ground
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O-dorsal surface of calcaneus (toe extension)
I-calcaneus via calcaneal tendon
N-tibial L5, S1, (2) (plantar flexion, inversion)
N-Deep fibular L4, 5, S1
N-Tibial L4, 5, S1
A-plantar flex the ankle (talocrural joint)
O-middle, anterior surface of fibula and interosseous membrane (dorsiflexion, inversion)
I-medial surfaces of 3-5 metatarsals (toe flexion)
M-it lifts your foot and your toes at the same time
A-abduct 2-4 toes, flex 2-4 toes (metatarsophalangeal joint)
M-one of the few muscles that crosses two joints
O-head of fibula and proximal two-thirds of lateral fibula (eversion)
N-first: tibial L4, 5, S1
2-4: Tibial L(4), (5), S1, 2
M-keeps your toes from dragging while you walk
I-middle phalanges of second through fifth toes (toe flexion)
M-the key for maintaining the transverse arch of your foot
N-Tibial L4, 5, S1 (toe flexion)
O-lateral condyle of the tibia; proximal, lateral surface of tibia; and interosseous membrane (inversion, dorsiflexion)
A-medially rotate the flexed knee (tibiofemoral joint), flex the knee (T/F joint)
I-calcaneus via calcaneal tendon (plantar flexion)
A-evert the foot, assist to plantar flex the ankle (talocrural joint)
A-assist flexor digitorum longus to flex 2-5 toes
I-proximal, posterior aspect of tibia
A-Flex first toe, weak plantar flexion of ankle, invert the foot
O-adjacent surfaces of all metatarsals
O-proximal, posterior shafts of tibia and fibula; and interosseous membrane (inversion, plantar flexion)
N-Tibial L4, 5, S1
M-helps you stay stabilized on your foot
M-it acts like a mini hand gripping the ground
