Ankle & Foot Flashcards by candace gray

Q

Gastrocnemius origin

A

Medial head: medial condyle and adjacent popliteal surface of the femur. Lateral head: lateral condyle of the femur.

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Q

Gastrocnemius insertion

A

Via the tendo calcaneus into the posterior surface of the calcaneus

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Q

Gastrocnemius nerve supply

A

Tibial n.S1, S2

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Q

Gastrocnemius function

A

Plantar flexion of the ankle, flexion of the knee

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Q

Soleus origin

A

Posterior surface of the head and proximal third of the body of the fibula, soleal line and middle third of the medial border of the tibia

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Q

Soleus insertion

A

Via the tendo calcaneus into the posterior surface of the calcaneus

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Q

Soleus nerve supply

A

Tibial n. S1, S2

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Q

Soleus function

A

Plantar flexion of the ankle

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Q

Tibialis anterior origin

A

Lateral condyle and upper 2/3 of the lateral surface of the body of the tibia, interosseous membrane, deep crural fascia

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Q

Tibialis anterior insertion

A

Base of the 1st MT, medial and plantar surfaces of the medial cuneiform bone

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Q

Tibialis anterior nerve supply

A

Deep peroneal n. L4, L5, S1

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Q

Tibialis anterior function

A

Dorsiflexion of the ankle, inversion of the foot at the subtalar and midtarsal joints

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Q

Peroneus longus origin

A

Head and upper 2/3 of the lateral surface of the fibula

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Q

Peroneus longus insertion

A

Base of the 1st MT, lateral aspect of the medial cuneiform

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Q

Peroneus longus nerve supply

A

Superficial peroneal n. L4, L5, S1

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Q

Peroneus longus function

A

Eversion of the foot at the subtalar jount, weak plantarflexion of the foot at the ankle

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Q

Peroneus brevis origin

A

Distal 2/3 of the lateral surface of the fibula

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Q

Peroneus brevis insertion

A

Tuberosity of the 5th MT

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Q

Peroneus brevis nerve supply

A

Superficial peroneal n. L4, L5, S1

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Q

Peroneus brevis function

A

Eversion of the foot at the subtalar jount, weak plantarflexion of the foot at the ankle

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Q

Lumbricals origin

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A

Tendons of the flexor digitorum longus

Q

Lumbricals insertion

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A

Tendons of the extensor digitorum longus

Q

Lumbricals nerve supply

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A

Medial plantar nerve (first lumbrical) and lateral plantar (lumbricals 2-4) nerves

Q

Lumbricals function

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A

Flexion at the MTP joints and extension at the IP joints of the lateral 4 toes

Flexor hallucis brevis origin

Plantar surface of the cuboid and lateral cuneiform bones

Flexor hallucis brevis insertion

Base of the proximal phalanx of the great toe

Flexor hallucis brevis nerve supply

Medial plantar n. L5, S1

Flexor hallucis brevis function

Flexion at the MTP joint of the great toe

Flexor digitorum longus origin

Posterior aspect of the body of the tibia

Flexor digitorum longus insertion

Base of the distal phalanges of toes 2-5

Flexor digitorum longus nerve supply

Tibial n. L5, S1

Flexor digitorum longus function

Flexion at the distal and proximal IP joints of the lateral 4 toes

Flexor digitorum brevis origin

Tuberosity of the calcaneus,plantar aponeurosis

Flexor digitorum brevis insertion

Sides of the middle phalanges of toes 2-5

Flexor digitorum brevis nerve supply

Medial plantar n. L5, S1

Flexor digitorum brevis function

Flexion of the proximal IP joints of the lateral 4 toes

Flexor halluces longus origin

Posterior aspect of the body of the fibula, interosseous membrane

Flexor hallucis longus insertion

Base of the distal phalanx of the great toes

Flexor hallucis longus nerve supply

Tibial n. L5, S1, S2

Flexor hallucis longus function

Flexion at the IP joint of the great toe

Extensor digitorum longus origin

Lateral tibial condyle, anterior surface of the body of the fibula, interosseous membrane

Extensor digitorum longus insertion

Dorsum of the middle and distal phalanges of toes 2-5

Extensor digitorum longus nerve supply

Deep peroneal nerve L4, L5, S1

Extensor digitorum longus function

Extension at the MTP joints of the lateral 4 toes

Extensor digitorum brevis origin

Superior surface of the calcaneus,lateral talocalacenal ligament, inferior extensor retinaculum

Extensor digitorum brevis insertion

Dorsal surface of the base of the proximal phalanx of the great toe, lateral aspect of the extensor digitorum longus tendons of toes 2-4

Extensor digitorum brevis nerve supply

Deep peroneal n. L5, S1

Extensor digitorum brevis function

Extension at the MTP joint of the great toe and toes 2-4

Extensor hallucis longus origin

Medial surface of the body of the fibula, interosseous membrane

Extensor hallucis longus insertion

Base of the distal phalanx of the great toe

Extensor hallucis longus nerve supply

Deep peroneal n. L4, L5, S1

Extensor hallucis longus function

Extension at the IP joint of the great toe