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Everything from the knee down-Origins, Insertions, Actions, and Innervations

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Muscle
Origin
Insertion
Action
Innervation
Flexor Digitorum Brevis   Medial calcaneal tuberosity and central part of plantar fascia   Middle phalanx of toes 2-5   Flexes lateral four toes, Supports medial and lateral longitudinal arches   Medial Plantar Nerve (L5-S1)  
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Lumbricals   Sides of FDL tendon   Medial side of proximal phalanx and dorsal EDL tendon of toes 2-5   Extend toes at interphalangeal joints and flex metatarsal phalangeal joints   Medial plantar nerve (L5-S1) and Lateral Plantar nerve (S1-S2)  
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Soleus   Posterior head and proximal 1/3 of body of fibula and soleal line   Achilles tendon onto posterior calcaneus   Plantar flexes foot   Tibial Nerve (S1-S2)  
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Gastrocnemius   Lateral head: posterior surface of lateral condyle of femur; medial head: posterior surface of femur above medial condyle   Achilles tendon onto posterior calcaneus   Plantar flexes foot, Flexes knee   Tibial Nerve (S1-S2)  
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Tibialis Posterior   Upper half of posterior shaft of tibia and upper 2/3 of medial surface of fibula and interosseus membrane   Tuberosity of navicular bone and all tarsal bones (except talus), bases of 2nd-4th metatarsals and spring ligament   Plantar flexes and inverts foot. Supports medial longitudinal arch of foot   Tibial Nerve (L5-S1)  
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Tibialis Anterior   Upper half of lateral shaft of tibia and interosseous membrane   Inferomedial aspect of medial cuneiform and base of 1st metatarsal   Dorsiflexes and inverts foot   Deep peroneal nerve (L4-S1)  
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Flexor Digitorum Longus   Middle 3/5 of posterior surface of tibia   Base of distal phalanges of lateral four toes   Flexes distal phalanges of lateral four toes   Tibial Nerve (L5-S1)  
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Flexor Hallucis Longus   Lower two thirds of posterior fibula and interosseus membrane   Base of distal phalanx of big toe   Flexes distal phalanx of big toe   Tibial Nerve (L5-S2)  
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Extensor Hallucis Longus   Middle half of anterior shaft of fibula   Base of distal phalanx of great toe   Extends big toe and assists dorsiflexion   Deep peroneal nerve (L4-S1)  
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Extensor Digitorum Longus   Lateral condyle of tibia, proximal 3/4 of anterior surface of bod of fibula, interosseus membrane   Distal phalanges of toes 2-5   Extends toes and assists dorsiflexion   Deep peroneal nerve (L4-S1)  
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Fibularis Tertius   Distal 1/3 of anterior shaft of fibula   Base of 5th metatarsal   Dorsiflexes and everts foot   Deep peroneal nerve (L4-S1)  
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Fibularis brevis   Lower two thirds lateral shaft of fibula   Base of 5th metatarsal   Plantarflexes and everts foot   Superficial peroneal nerve (L4-S1)  
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Quadratus Plantae   Lateral tuberosity of calcaneus, medial side of calcaneus   Lateral border long flexor tendons   Flexes toes 2-5   Lateral Plantar (S1-S2)  
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Plantar Interossei   nferomedial shafts of 3rd , 4th and 5th metatarsals   Medial sides of bases of proximal phalanges of 3rd , 4th and 5th metatarsalsMedial sides of bases of proximal phalanges of 3rd, 4th and 5th toes   Adduct 3rd 4th and 5th toes, Assist lumbricals in extending interphalangeal joints while flexing metatarsal phalangeal joints   Lateral Plantar (S1-S2)  
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Adductor Hallucis   Oblique head: base of 2, 3, 4 metatarsals. Transverse head: plantar metatarsal ligaments and deep transverse ligament   Lateral side of base of proximal phalanx of big toe and lateral sesamoid   Adducts and flexes metatarsophalangeal joint of big toe   Lateral Plantar  
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Dorsal Interossei   Sides of the metatarsal bones   Bases of proximal phalanges and dorsal extensor expansions of medial side of 2nd toe and lateral sides of 2nd , 3rd and 4th toes   Abduct 2nd , 3rd and 4th toes, Assist in extending IP joints while flexing MP joints   Lateral Plantar (S1-S2)  
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Abductor Digiti Minimi   Lateral plantar calcaneus and plantar fascia   Lateral side of base of proximal phalanx of 5th toe and 5th metatarsal   Flexes and abducts 5th toe   Lateral Plantar (S1-S2)  
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Flexor Digiti Minimi   Base of 5th metatarsal   Lateral side of base of proximal phalanx of little toe   Flexes MP joint of little toe   Lateral Plantar (S1-S2)  
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Flexor Hallucis Brevis   Cuboid, lateral cuneiform and tibialis posterior tendon   Medial and Lateral sides of base of proximal phalanx of great toe   Flexes MP joint of big toe   Medial Plantar (L5-S1)  
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Abductor Hallucis   Medial calcaneal tuberosity and plantar fascia   Medial aspect of base of proximal phalanx of big toe   Flexes and abducts big toe   Medial Plantar (L5-S1)  
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