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Savarese > Chapter 8 Ankle and Foot > Flashcards

Chapter 8 Ankle and Foot Flashcards

1
Q

Portion of talus that artciulates with ankle mortise?

A

Trochlea of talus

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2
Q

Which ankle motion is more stable, plantarflexion or dorsiflexion?

A

Dorsiflexion–bc talus is wider anteriorly

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3
Q

Talocrural joint (tibiotalar joint)?

A

Hinge joint bt talus and medial malleolus, and lateral melleolus

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4
Q

Main motions of talocrural joint?

A

Plantarflexion and dorsiflexion

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5
Q

What motion occurs with anterior glide of talus?

A

Plantarflexion

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6
Q

What motion occurs with posterior glide of talus?

A

Dorsiflexion

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7
Q

80% of ankle sprains occur in plantarflexion or dorsiflexion?

A

Plantarflexion (due to stability of ankle in dorsiflexion)

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8
Q

What joint allows internal/external rotation of leg while foot is fixed?

A

Subtalar joint (talocalcaneal joint)

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9
Q

Arches of foot?

A

Longitudinal and transverse

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10
Q

Medial longitudinal arch?

A

Talus, navicular, cuneiforms, 1-3 metatarsals

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11
Q

Lateral longitudinal arch?

A

Calcaneus, cuboid, 4-5 metatarsals

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12
Q

Tranverse arch?

A

Navicular, cuneiforms, cuboid

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13
Q

Where do most SDs occur in foot?

A

Transverse arch–often seen in long distance runners

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14
Q

Lateral stabilizers of ankle?

A

ATF, calcaneofibular, posterior talofibular

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15
Q

Most common injured ankle ligament?

A

ATF

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16
Q

Type I ankle sprain?

A

Only ATF

17
Q

Type II ankle sprain?

A

ATF and calcaneofibular

18
Q

Type III ankle sprain?

A

ALL 3 lateral ligaments

19
Q

Excessive pronation usually results in what injury?

A

Fracture of medial malleolus (rather than pure ligamentous injury)

20
Q

Spring ligament?

A

Calcaneonavicular ligament–strengthens medial longitudinal arch

21
Q

Attachments of plantar aponeurosis?

A

Calcaneus and phalanges

Savarese (32 decks)

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