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Lower extremity (legs) > Ankle > Flashcards

Ankle Flashcards

1
Q

Talocrural joint

A

Articulation between: talus and ankle mortice

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2
Q

Talus - talocrural

A

convex

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3
Q

mortice

A

concave

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4
Q

Ankle mortice

A

bony “clasp” created
by medial malleolus, distal tibia and
lateral malleolus

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5
Q

Talocrural joint Structural classification:

A

synovial

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6
Q

Talocrural joint functional classification

A

Hinge

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7
Q

Subtalar joint

A

Articulation between: inferior talus
and superior calcaneus

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8
Q

Talus - subtalar

A

concave

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9
Q

calcaneus

A

convex

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10
Q

Structural classification: Subtalar

A

synovial

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11
Q

Functional classification: Subtalar

A

gliding

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12
Q

Tibiofibular joints

A
  • Proximal tib/fib joint
  • Distal tibiofibular joint
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13
Q

Proximal tib/fib joint

A

Articulation between: head of fibula
and lateral condyle of tibia

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14
Q

Structural classification: Proximal tib/fib joint

A

synovial

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15
Q

Functional classification:
Proximal tib/fib joint

A

amphiarthrotic (due to dense joint
capsule)

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16
Q

Distal tibiofibular joint

A

Articulation between: distal tibia and
distal fibula

17
Q

Structural classification:
Distal tibiofibular joint

18
Q

Functional classification:
Distal tibiofibular joint

A

amphiarthrosis (due to dense joint
capsule)

19
Q

Medial Collateral (Deltoid)
ligaments

A

a) Anterior tibiotalar ligament
b) Posterior tibiotalar ligament
c) Tibiocalcaneal ligament
d) Tibionavicular ligament

20
Q

Deltoid ligaments Restrict

A

Become taut and restrict excessive
dorsiflexion and eversion

21
Q

Lateral Collateral Ligaments

A

a) Anterior talofibular ligament
b) Posterior talofibular ligament
c) Calcaneofibular ligament

22
Q

Lateral Collateral
Ligaments restrict

A

Become taut and restrict excessive
dorsiflexion and inversion

23
Q

Spring ligament attachments

A

Attaches from
SUSTENTACULUM TALI of
calcaneus to navicular

24
Q

Spring ligament Function

A

Maintains medial longitudinal
arch

25
Q

Achilles’ Tendon/
Calcaneal Tendon
Function

A

Becomes taut and restricts excessive
dorsiflexion

26
Q

Functions of the arches:

A
  1. Shock absorption
  2. Weight-bearing
  3. Weight distribution
27
Q

Medial Longitudinal Arch
Created by:

A

Created by: medial talus, navicular,
medial cuneiform

28
Q

Medial Longitudinal Arch
Function:

A

Function: shock absorption, weight
distribution

29
Q

Lateral Longitudinal Arch
Created by:

A

Created by: lateral calcaneous,
cuboid, base of 5th metatarsal

30
Q

Lateral Longitudinal Arch
Function:

A

Function: weight-bearing; weight
distribution

31
Q

Transverse Arch
Created by

A

Created by: navicular, cuboid, and
cuneiforms

32
Q

Transverse Arch
Function:

A

Function: shock absorption; weight
distribution

33
Q

Metatarsal Arch

A

NOT a true arch

34
Q

Metatarsal Arch
Created by:

A

Created by: heads of metatarsals 1-
5

35
Q

Metatarsal Arch
Function:

A

Function: shock absorption; weight
distribution

Lower extremity (legs) (5 decks)

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