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MSK Joints > Ankle/Foot > Flashcards

Ankle/Foot Flashcards

1
Q

What are the three joints that make up the foot/ankle complex?

A

Talocrural, Talus, Subtalar, MTP joints

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2
Q

What type of joint is the inferior tibiofibular joints?

A

fibrous

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3
Q

What are the three ligaments of the inferior tibiofibular joints?

A

Anterior inf TFL, Posterior inf TFL, Interosseus

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4
Q

What type of joint is the Talocrural joint?

A

synovial, modified sellar

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5
Q

What are the arthrokinematics of the Talocrural joint?

A

The Talus is Convex AP and Concave ML

  • articulation between the tibiofibular joint and talus
  • PF, posterior roll and anterior slide
  • DF, anterior roll and posterior slide
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6
Q

Why is there conjunct movement with ankle dorsiflexion?

A

The anterior articular surface of the talus is wider.

The angle of the axis of rotation

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7
Q

What are the arthrokinematics of dorsiflexion?

A

Anterior roll, with conjunct eversion and abduction

  • Concave (fibula) on convex (talus)
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8
Q

What are the arthrokinematics of plantarflexion?

A

The concave head of the tibia on the convex head of the talus

posterior roll, with conjunct inversion and adduction

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9
Q

What are the lateral ligaments of the talus joint?

A

ATFL, PTFL, CFL

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10
Q

What are the medial ligaments of the talus joint?

A

anterior tibiotalar, posterior tibiotalar, tibiocalcaneal, tibionavicular

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11
Q

What are the articulations of the subtalar joint?

A

Anterior articulations: concave (calcaneus) on convex (talus)

Posterior articulations: Convex on Concave (calcaneus, talus)

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12
Q

What movements occur at the subtalar joints?

A

Pronation and supination

  • ML, LT movement of Tali
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13
Q

What 3 movements occur with pronation?

A

David Evan Tali Med In Add

Calcaneal eversion tali medially inwards and adduction

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14
Q

What 3 movements occur with supination?

A

David Invited Tali Mo tup & out add

Calcaneal inversion Talar DF Abduction

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15
Q

What is the windglass mechanism?

A

muscular control of the plantar fascia during gait

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16
Q

What is the Ottawa ankle rule?

A
  • bone tenderness 6in from medial/lateral malleoli, navicular and base of 5th MT
  • NWB
17
Q

What is Thompson’s test used for?

A

Achilles tendon rupture

18
Q

What is the role of the deltoid ligament

A

Limit eversion of talocrural, subtalar and talonavicular joints.

19
Q

Describe the arthrokinematics of the MCP joints of the foot.

A

Proximal end of distal segment (Concave)
Distal end of proximal segment (Convex)

Inferior roll and glide on MT (Flexion)
Superior roll and glide on MT (Extension)

MSK Joints (11 decks)

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