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Anatomy > Ankle > Flashcards

Ankle Flashcards

1
Q

ankle bones

A
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2
Q

talus

A
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3
Q

calcaneus

A
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4
Q

ankle joint classification

A
  • Synovial – hinge
  • Diarthroidal
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5
Q

bones involved in ankle joint

A

• Tibia • Fibula • Talus

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6
Q

articular surfaces of the ankle joint

A

• Tibia & Fibula Form A Mortise

• Talus forms a tenon – Medial Facet
– Lateral Facet
– Trochlea

• Note The Wedged Shape - Wider Anteriorly, Narrower Posteriorly

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7
Q

fibrous capsule

A

• Attached To Articular Margins:

– Edge Of Articular Surface Of Tibia & Fibula – Edge Of Trochlear Articular Surface Of Talus

(Apart From Anteriorly) – Neck Of Talus

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8
Q

ankle joint ligaments

A

• Medial (Deltoid) Ligament (4) • Lateral Ligament (3)

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9
Q

deltoid ligaments

A
  • Medial
  • 4 Distinct Bands:

Anterior Tibiotalar

Posterior Tibiotalar

  1. Tibionavicular 4. Tibiocalcaneal

Notes:
From Tibia To:

Talus*2 Calcaneus Navicular

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10
Q

lateral ligaments

A

• 3 Distinct Bands:

  1. Calcaneo-fibular:

– From Tip Of Lateral Malleolus, Runs Downwards And Backwards To Insert Into Lateral Surface Of The Calcaneus

• Posterior Talofibular Ligament

– Runs From Posterior Part Of Malleolus To Insert Into The Posterior Tubercle Of The Talus

– Very Strong

• Anterior Talofibular Ligament

– Flat Band From Anterior Portion Of Malleoli To The Talar Neck

– Weak

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11
Q

ligaments of tibiofibular jt

A

• Interosseous Ligament
– Very Strong
– Continous With The Syndesmosis

• Anterior Tibiofibular

• Posterior Tibiofibular
– Deep Fibres: Tranverse Tibiofibular Ligament

Note:

Posterior & Anterior Tibiofibular Ligaments

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12
Q

extensor retinaculum

A
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13
Q

peroneal retinaculum

A
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14
Q

flexor retinaculum

A
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15
Q

movements of ankle jt

A
  • Dorsiflexion
  • Plantarflexion

• Minor Accessory Movement While Plantarflexed

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16
Q

ankle joint stability

A
  • Very Strong In Dorsiflexion
  • Relatively Weak In Pl. Flexion

• Factors:
– Bony Morphology
– Tendons & Retinacula – Powerful Ligaments

17
Q

ankle neurovascularity

A

• Derived From:

– Malleolar Branch Of Peroneal Artery

– Branches Of Posterior & Anterior Tibial Arteries

• Branches Of:
– Deep Peroneal Nerve
– Superficial Peroneal Nerve – Tibial Nerve

18
Q

intrinsic joints of the foot

A

• The Subtalar Joint

  • The Talo-calcano-navicular Joint • Calcaneo-cuboid Joint
  • Navicular-cuneiform Joint
  • Tarso-metatarso Joints
  • Inter-metatarsal Joint
  • Mp & Ip Joints
19
Q

talocalcaneal articulations

A
  • Subtalar
  • Talocalcaneonavicular • Calcaneocuboid
20
Q

dorsal ligaments

A
21
Q

plantar ligaments

A
22
Q

plantar ligaments 2.0

A
23
Q

extensor apparatus

A

Anatomy (17 decks)

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