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26 Cards in this Set
- Front
- Back
Tibialis anterior
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position: lateral to the tibia
action: Dorsiflexion of the ankle, inversion of the foot nerve: deep peroneal nerve |
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Extensor digitorum longus
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position: lateral to anterior tibialis, inserts on toe tips
action: dorsiflexion of ankle, eversion, extends digits nerve: deep peroneal |
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extensor hallucis longus
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position: between digitorus and tibialis anterior
action: dorsiflexion, inversion, hallux extension nerve: deep peroneal nerve |
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Anterior leg muscles
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TOM DICK AND HARRY; Tibialis anterior, extensor digitorum longus, extensor hallucis longus. Dorsiflexion
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Peroneus longus
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origin: head, upper 2/3 of fibula
insertion: base of 1st metatarsal action: Plantarflexion, strongest eversion nerve: superficial peroneal nerve |
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Peroneus brevis
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origin: lateral upper 2/3 of fibula
insertion: base of 5th metatarsal action: plantarflexion, eversion nerve: superficial peroneal |
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Lateral muscles of leg
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Peroneus longus, Peroneus brevis
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Gastrocnemius
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Origin: medial/lateral tibial condyles
Insertion: Calcaneal tendon Action: Plantarflexion, some knee flexion Nerve: Tibial |
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Gastrocnemius
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Origin: medial/lateral tibial condyles
Insertion: Calcaneal tendon Action: Plantarflexion, some knee flexion Nerve: Tibial |
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Soleus
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Origin: Proximal tibia/fibula
Insertion: Calcaneal tendon Action: Plantarflexion Nerve: Tibial nerve |
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Plantaris
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Origin: Lateral femoral condyle
Insertion: Calcaneal tendon Action: Plantarflexion, knee flexion nerve: tibial freshman nerve |
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Popliteus
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origin: lateral femoral condyle
insertion: proximal tibia action: weak flexor of knee nerve: tibial |
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muscles of layer 2 of foot
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Quadratus plantae, lumbricles
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Dorsal Interossei
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Position: in the fourth foot muscle layer
Action: Abducts digits 2-4 Nerve: Lateral Plantar nerve |
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Plantar Interossei
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Position: 4th layer of foot muscles
Action: Adduction of toes 3-5 Nerve: Lateral Plantar nerve |
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Quadratus plantae
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Positiion: 2nd layer of foot muscles, midline of foot
Shares a common tendon w/ flexor longus Pulls the tendon into flexion of toes 2-5 Nerve: plantar nerve |
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Lumbricles
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Postition: Muscles in 2nd layer
Action: Flexes metatarsal phalangeal joints. Nerve: muscle of toe 1: medial plantar muscle of toes 2-5:lateral plantar nerve |
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Flexor digittorum longus
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Position: most medial muscle, goes distally to medial malleolus, then to digits.
Action; plantarflexion, flexion of digits 2-5 |
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Tibialis Posterior
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Position: Between Flexor digittorum longus and flexor hallucis longus.
Insertion: tarsal bones Action: Plantarflexion, inversion Nerve: tibial |
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Flexor digittorum brevis
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Position: middle of bottom of foot
Action: Flexes toes 2-5 Nerve: Medial Plantar Nerve |
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Abductor Hallucis
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Position: Medial foot, runs along it
Insertion: Hallux Action: Abducts the hallux 4. Medial plantar nerve |
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Special fact about digit 2
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It abducts either way, but does nott adduct
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Abductor Digiti Minimi
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Position: Lateral foot
Action: Abducts the 5th toe; mini me Nerve: Lateral Plantar Nerve |
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Muscles of the Superficial layer of the foot:
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Abductor Hallucis, Flexor digitorum
brevis, Abductor digiti minimi |
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3rd layer of foot muscles
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don't have to know!
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Flexor Hallucis Longus
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Position: Most lateral muscle on posterior leg, yet crosses to wrap around medial malleolus to hallux.
Action: plantarflexion, hallux flexion Nerve: Tibial |