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25 Cards in this Set
- Front
- Back
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Extensor Hallucis origin and insertion
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origin: Anteromedial fibula shaft and interosseous membrane; insertion: Tendon inserts on distal phalanx of great toe
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Peroneus Longus action
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Plantar flexes and everts foot; helps keep foot flat on ground
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Peroneus Longus innervation
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Superficial peroneal nerve
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Peroneus Tertius origin and insertion
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origin: Distal anterior surface of fibula and interosseous membrane; insertion: Tendon passes anterior to lateral malleolus and inserts on dorsum of fifth metatarsal
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Extensor Hallucis action
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Extends great toe; dorsiflexes foot
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Extensor Hallucis innervation
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Deep peroneal nerve
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Extensor Digitorum Longus origin and insertion
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origin: Lateral condyle and proximal ¾ of fibula; interosseous membrane; insertion: Second and third phalanges of toes 2-5 via extensor expansion
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Peroneus Tertius action
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Dorsiflexes and everts foot
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Peroneus Tertius innervation
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Deep peroneal nerve
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Tibialis Anterior origin and insertion
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origin: Lateral condyle and upper 2/3 of tibia; interosseous membrane; insertion: By tendon into inferior surface of medial cuneiform and first metatarsal bone
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Extensor Digitorum Longus action
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Dorsiflexes foot; prime mover of toe extension (acts mainly at metatarsophalangeal joints)
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Extensor Digitorum Longus innervation
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Deep peroneal nerve
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Semimembranosus origin and insertion
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origin: Ischial tuberosity; insertion: Medial condyle of tibia
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Tibialis Anterior action
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Prime mover of dorsiflexion; inverts foot; assists in supporting medial longitudinal arch of foot
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Tibialis Anterior innervation
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Deep peroneal nerve
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Semitendinosus origin and insertion
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origin: Ischial tuberosity in common with long head of biceps femoris; insertion: Medial aspect of upper tibial shaft
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Semimembranosus action
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Extends thigh and flexes knee; medially rotates leg
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Semimembranosus innervation
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Sciatic nerve
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Biceps Femoris origin and insertion
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origin: Ischial tuberosity (long head); Linea aspera and distal femur (short head); insertion: Common tendon passes downward and laterally (forming lateral border of popliteal fossa) to insert into head of fibula and lateral condyle of tibia
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Semitendinosus action
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Extends thigh at hip; flexes knee; with semimembranosus, medially rotates leg
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Semitendinosus innervation
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Sciatic nerve
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Tensor Fasciae Latae origin and insertion
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origin: Anterior aspect of iliac crest and anterior superior iliac spine; insertion: Iliotibial tract
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Biceps Femoris action
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Extends thigh and flexes knee; laterally rotates leg, especially when knee is flexed
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Biceps Femoris innervation
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Sciatic nerve
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Vastus Intermedius origin and insertion
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origin: Anterior and lateral surfaces of proximal femur shaft; insertion: As for rectus femoris
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