Extensor Digitorum longus Middle and distal phalanges of digits 2–5 Tibuialis Anterior Deep fibular nerve L4,5,S1 Tibialis Posterior Tibial nerve L4,5,S1 Fibularis Brevis Tuberosity of fifth metatarsal Tibuialis Anterior Helps maintain arch of the foot Soleus Soleal line of tibia and posterior fibula Fibularis Brevis Superficial fibular nerve L4,S1,5 Plantaris Tibial L4,5,S1 Extensor Hallucis longus Extends the first toe, dorsiflexes the ankle, inverts the foot Gastrocnemius Plantar flexes the ankle and flexes the knee Extensor Hallucis longus Deep fibular nerve L4,5,S1 Flexor Digitorum longus Curves medially behind tibia Soleus Plantar flexes the ankle Extensor Digitorum longus Extends digits 2–5 and dorsiflexes the ankle; everts the foot Flexor Digitorum longus tibial nerve L5,S1,(2) Soleus Calcaneus via calcaneal tendon Fibularis longus Superficial fibular nerve L4,5,S1 Plantaris Calcaneus/Calcaneal tendon Fibularis longus Base of first metatarsal and medial cuneiform Gastrocnemius Calcaneus via calcaneal (Achilles) tendon Tibuialis Anterior Dorsiflexes the ankle and inverts the foot Extensor Digitorum longus Has 4 tendons to toes Fibularis longus Wraps under foot to support arch Fibularis longus Head of fibula and proximal two-thirds of lateral fibula Flexor Digitorum longus Middle posterior surface of tibia Gastrocnemius Posterior surfaces of the medial and lateral condyles of the femur Extensor Digitorum longus Deep fibular nerve L4,L5,S1 Extensor Hallucis longus Distal phalanx of first toe Tibuialis Anterior Medial cuneiform and base of first metatarsal Tibialis Posterior Proximal posterior shafts of tibia and fibula; interosseous membrane Fibularis Brevis Everts the foot and assists in plantar flexion of the ankle Soleus Tibial nerve L5,S1,S2 Tibialis Posterior Primary inverter of the foot Extensor Hallucis longus Extends the big toe Extensor Hallucis longus Middle anterior surface of fibula; interosseous membrane Tibialis Posterior Inverts the foot and plantar flexes the ankle Plantaris Often used in tendon grafts Flexor Digitorum longus Distal phalanges of digits 2–5 Fibularis Brevis Shorter and deeper than longus Gastrocnemius Named after Greek for “belly” + “leg” Extensor Digitorum longus Lateral condyle of tibia; proximal anterior fibula; interosseous membrane Gastrocnemius Tibial nerve S1,2 Tibuialis Anterior Lateral condyle and proximal lateral surface of tibia; interosseous membrane Flexor Digitorum longus Flexes digits 2–5, plantar flexes the ankle, inverts the foot Fibularis longus Everts the foot and assists in plantar flexion of the ankle Fibularis Brevis Distal two-thirds of lateral fibula Plantaris lateral supracondylar line of femur Plantaris Weak plantar flexion of ankle and weak flexion of the knee Tibialis Posterior All five tarsal bones and bases of metatarsals 2–4 Soleus Works best with a bent knee Extensor Digitorum longus Middle and distal phalanges of digits 2–5 Tibuialis Anterior Deep fibular nerve L4,5,S1 Tibialis Posterior Tibial nerve L4,5,S1 Fibularis Brevis Tuberosity of fifth metatarsal Tibuialis Anterior Helps maintain arch of the foot Soleus Soleal line of tibia and posterior fibula Fibularis Brevis Superficial fibular nerve L4,S1,5 Plantaris Tibial L4,5,S1 Extensor Hallucis longus Extends the first toe, dorsiflexes the ankle, inverts the foot Gastrocnemius Plantar flexes the ankle and flexes the knee Extensor Hallucis longus Deep fibular nerve L4,5,S1 Flexor Digitorum longus Curves medially behind tibia Soleus Plantar flexes the ankle Extensor Digitorum longus Extends digits 2–5 and dorsiflexes the ankle; everts the foot Flexor Digitorum longus tibial nerve L5,S1,(2) Soleus Calcaneus via calcaneal tendon Fibularis longus Superficial fibular nerve L4,5,S1 Plantaris Calcaneus/Calcaneal tendon Fibularis longus Base of first metatarsal and medial cuneiform Gastrocnemius Calcaneus via calcaneal (Achilles) tendon Tibuialis Anterior Dorsiflexes the ankle and inverts the foot Extensor Digitorum longus Has 4 tendons to toes Fibularis longus Wraps under foot to support arch Fibularis longus Head of fibula and proximal two-thirds of lateral fibula Flexor Digitorum longus Middle posterior surface of tibia Gastrocnemius Posterior surfaces of the medial and lateral condyles of the femur Extensor Digitorum longus Deep fibular nerve L4,L5,S1 Extensor Hallucis longus Distal phalanx of first toe Tibuialis Anterior Medial cuneiform and base of first metatarsal Tibialis Posterior Proximal posterior shafts of tibia and fibula; interosseous membrane Fibularis Brevis Everts the foot and assists in plantar flexion of the ankle Soleus Tibial nerve L5,S1,S2 Tibialis Posterior Primary inverter of the foot Extensor Hallucis longus Extends the big toe Extensor Hallucis longus Middle anterior surface of fibula; interosseous membrane Tibialis Posterior Inverts the foot and plantar flexes the ankle Plantaris Often used in tendon grafts Flexor Digitorum longus Distal phalanges of digits 2–5 Fibularis Brevis Shorter and deeper than longus Gastrocnemius Named after Greek for “belly” + “leg” Extensor Digitorum longus Lateral condyle of tibia; proximal anterior fibula; interosseous membrane Gastrocnemius Tibial nerve S1,2 Tibuialis Anterior Lateral condyle and proximal lateral surface of tibia; interosseous membrane Flexor Digitorum longus Flexes digits 2–5, plantar flexes the ankle, inverts the foot Fibularis longus Everts the foot and assists in plantar flexion of the ankle Fibularis Brevis Distal two-thirds of lateral fibula Plantaris lateral supracondylar line of femur Plantaris Weak plantar flexion of ankle and weak flexion of the knee Tibialis Posterior All five tarsal bones and bases of metatarsals 2–4 Soleus Works best with a bent knee
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I-Middle and distal phalanges of digits 2–5
N-Deep fibular nerve
L4,5,S1
N-Tibial nerve
L4,5,S1
I-Tuberosity of fifth metatarsal
M-Helps maintain arch of the foot
O-Soleal line of tibia and posterior fibula
N-Superficial fibular nerve
L4,S1,5
N-Tibial
L4,5,S1
A-Extends the first toe, dorsiflexes the ankle, inverts the foot
A-Plantar flexes the ankle and flexes the knee
N-Deep fibular
nerve
L4,5,S1
M-Curves medially behind tibia
A-Plantar flexes the ankle
A-Extends digits 2–5 and dorsiflexes the ankle; everts the foot
N-tibial nerve
L5,S1,(2)
I-Calcaneus via calcaneal tendon
N-Superficial fibular nerve
L4,5,S1
I-Calcaneus/Calcaneal tendon
I-Base of first metatarsal and medial cuneiform
I-Calcaneus via calcaneal (Achilles) tendon
A-Dorsiflexes the ankle and inverts the foot
M-Has 4 tendons to toes
M-Wraps under foot to support arch
O-Head of fibula and proximal two-thirds of lateral fibula
O-Middle posterior surface of tibia
O-Posterior surfaces of the medial and lateral condyles of the femur
N-Deep fibular nerve
L4,L5,S1
I-Distal phalanx of first toe
I-Medial cuneiform and base of first metatarsal
O-Proximal posterior shafts of tibia and fibula; interosseous membrane
A-Everts the foot and assists in plantar flexion of the ankle
N-Tibial nerve L5,S1,S2
M-Primary inverter of the foot
M-Extends the big toe
O-Middle anterior surface of fibula; interosseous membrane
A-Inverts the foot and plantar flexes the ankle
M-Often used in tendon grafts
I-Distal phalanges of digits 2–5
M-Shorter and deeper than longus
M-Named after Greek for “belly” + “leg”
O-Lateral condyle of tibia; proximal anterior fibula; interosseous membrane
N-Tibial nerve
S1,2
O-Lateral condyle and proximal lateral surface of tibia; interosseous membrane
A-Flexes digits 2–5, plantar flexes the ankle, inverts the foot
A-Everts the foot and assists in plantar flexion of the ankle
O-Distal two-thirds of lateral fibula
O-lateral supracondylar line of femur
A-Weak plantar flexion of ankle and weak flexion of the knee
I-All five tarsal bones and bases of metatarsals 2–4
M-Works best with a bent knee
