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13 Cards in this Set
- Front
- Back
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Tibialis Anterior
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O: lateral condyle of tibia
Lateral surface of shaft of tibia and interosseous membrane I: medial and plantar surface of the first cuneiform Base of 1st metatarsal N: deep peroneal A: inversion Dorsiflexion |
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Extensor Hallucis Longus
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O: anterior surface of fibula and interosseous membrane
I: base of the distal phalanx of great toe N: deep peroneal A: extension of great toe dorsiflexion slight inversion |
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Extensor Digitorum Longus
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O: lateral condyle of tibia
Anterior surface of shaft of fibula and interosseous membrane I: extensor expansion – dorsal surface of four lateral toes N: deep eproneal A: extend four lateral toes at metatarsophalangeal joints Dorsiflexion Eversion |
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Peroneus Tertius
(Fibularis Tertius) Small distal portion of externsor digitorum longus |
O: distal 1/3 of anterior surface of shaft of fibula and interosseous membrane
I: dorsal surface of 5th metatarsal N: deep peroneal A: raises lateral border of foot (slight eversion & dorsiflexion) |
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Peroneus Longus
(Fibluaris Longus) |
O: head of fibula
Lateral surface of shaft of fibula I: lateral side of base of 1st metatarsal and 1st (medial) cuneiform N: superficial peroneal A: plantar flexion eversion |
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Peroneus Brevis
(Fibularis Brevis) |
O: lateral surface of shaft of fibula (distal 2/3) and intermuscular septum
I: tuberosity at the base of the 5th metatarsal N: superficial peroneal A: plantar flexion (weak) eversion |
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Gastrocnemius
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O: lateral femoral condyle (posterior aspect) (lateral head)
Medial femoral condyle (posterior aspect) (medial head) I: tendocalcaneous which inserts into the posterior surface of the calcaneous N: tibial A: knee flexion & plantar flexion |
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Soleus
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O: head and shaft of fibula
Soleal line Medial border of tibia I: tendocalcaneous which inserts into the posterior surface of the calcaneous N: tibial A: knee flexion (weak) & plantar flexion (weak) |
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Plantaris
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O: posterior surface of lateral femoral condyle
I: posterior surface of calcaneus (along medial border of tendocalcaneus) N: tibial A: knee flexion (weak) & plantar flexion (weak) |
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Popliteus
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O: lateral condyle of femur
I: posterior surface of tibia proximal to soleal line N: tibial A: knee flexion Lateral rotation of femur (fixed tibia) to unlock knee (or med rot of tibia on fixed femur) |
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Tibialis Posterior
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O: interosseous membrane
Posterior surface of shaft of tibia and fibula I: tuberosity of navicular bone Fibrous exptansions to sustentaculum tali Three cuneiforms Cuboid Base of metatarsals 2-4 N: tibial nerve A: inversion Plantar flexion Helps maintain medial arch of foot |
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Flexor Hallucis Longus
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O: distal 2/3 of posterior surface of shaft of fibula and interosseous membrane
I: base of the distal phalanx of great toe N: tibial A: flexion of great toe Plantar flexion Inversion |
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Flexor Digitorum Longus
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O: posterior surface of tibia below the popliteal line and intermuscular septum
I: base of distal phalanges of four lateral toes N: tibial A: flexion of all joints of four lateral toes Plantar flexion Inversion Helps maintain medial arch of foot |
