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anatomy > Wk 5: ankle & foot > Flashcards

Wk 5: ankle & foot Flashcards

1
Q

Interphalangeal joints - ligaments

A
  • Collateral ligaments
  • Plantar ligaments
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2
Q

Collateral ligaments limit (interphalangeal)

A

flexion

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3
Q

Plantar ligaments limit (interphalangeal)

A

extension

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4
Q

Interphalangeal joints classification

A

synovial
uniaxial
hinge

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5
Q

Interphalangeal joints movements

A

flexion and extension

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6
Q

Metatarsophalangeal joints – ligaments

A

Collateral ligaments
Plantar ligaments
Deep transverse metatarsal ligaments

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7
Q

Collateral ligaments (metatarsophalangeal)

A
  • Limits: flexion
  • Prevents: adduction and abduction in flexion
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8
Q

Plantar ligaments (metatarsophalangeal)

A
  • Forms part of the articular surface
  • Limits: extension
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9
Q

Deep transverse metatarsal ligaments (metatarsophalangeal)

A
  • Keeps the metatarsal heads together
  • Important in weight bearing
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10
Q

Metatarsophalangeal joints classification

A

synovial
biaxial
condyloid

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11
Q

Metatarsophalangeal joints movements

A

flexion/extension
abduction/adduction

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12
Q

Metatarsophalangeal joints aritcular surfaces

A

head of the metatarsal and base of the adjacent phalanx

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13
Q

Tarsometatarsal joint classification

A

synovial
multiaxial
plane

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14
Q

Tarsometatarsal joint movements

A

flexion & extension
(some ab & rotation at the first joint)

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15
Q

Tarsometatarsal joint articular surfaces

A
  • 1st metatarsal with medial cuneiform
  • 2 nd (recessed) with intermediate cuneiform, as well as medial & lateral cuneiforms
  • 3 rd with lateral cuneiform
  • 4 th with lateral cuneiform & cuboid
  • 5 th with cuboid
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16
Q

Calcaneocuboid joint classification

A

synovial
multiaxial
plane

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17
Q

Calcaneocuboid joint articular surfaces

A

Facet on anterior surface of calcaneus

Posterior facet of the cuboid

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18
Q

Calcaneocuboid joint ligaments

A
  • Plantar calcaneocuboid (short plantar) ligament
  • Long plantar ligament
  • Bifurcate ligament (lateral part only)
19
Q

Talocalcaneonavicular joint classification

A

synovial
multiaxial
ball & socket

20
Q

Talocalcaneonavicular joint articular surfaces

A
  • Anterior facet on upper surface of calcaneus (female): sometimes in two parts
  • Posterior facet of the navicular (female)
  • Plantar calcaneonavicular (spring) ligament
  • Head and (partially) neck of the talus (male)
21
Q

Subtalar joint classification

A

synovial
multiaxial
plane

22
Q

Subtalar joint articular surfaces

A

Facet on under surface of the talus (female)

Posterior facet on upper surface of calcaneus (male)

23
Q

Subtalar joints ligaments

A
  • Interosseous (talocalcaneal) ligament
  • Two bands both anterior to the joint
  • Run almost vertically in the space between talus and calcaneus
  • Calcaneal parts of the ankle ligaments also cross this joint
24
Q

Talocalcaneonavicular joint ligaments

A
  • Plantar calcaneonavicular (spring) ligament
  • Bifurcate ligament (medial part only)
25
Q

Inversion

A
  • Plantarflexion
  • Adduction
  • Supination
26
Q

Eversion

A
  • Dorsiflexion
  • Abduction
  • Pronation
27
Q

Joints of the foot

A
  • Subtalar Mid-tarsal
  • Tarsometatarsal
  • Metatarsophalangeal
  • Interphalangeal
28
Q

Lateral collateral ligaments

A

Anterior talofibular

Posterior talofibular

Calcaneofibular

29
Q

Anterior talofibular limits

A

plantarflexion

30
Q

Anterior talofibular prevents

A

posterior slide of fibula and tibia on talus

31
Q

Posterior talofibular limits

A

dorsiflexion

32
Q

Posterior talofibular prevents

A

anterior slide of tibia and fibula on talus

33
Q

Calcaneofibular limits

A

dorsiflexion

34
Q

Calcaneofibular prevents

A

adduction at ankle

35
Q

Medial collateral (deltoid) ligament shape

A

Extensive, triangular in shape

36
Q

Superficial parts of medial collateral ligament

A
  • Tibionavicular
  • Tibiocalcaneal

Together prevent abduction at ankle

37
Q

Deep parts of medial collateral ligament

A
  • Anterior tibiotalar: limit plantarflexion
  • Posterior tibiotalar: limit dorsiflexion
38
Q

Articular surface tibia

A
  • Inferior (trochlear) surface of the tibia
  • Medial (tibial) and lateral (fibular) articular facets
39
Q

Articular surface talus

A

male surface

  • Tibiotalar surface is weightbearing
  • Medial and lateral articular facets are non weightbearing
40
Q

Articular surface trochlear of the talus

A

wider anteriorly

  • Ankle moves into dorsiflexion it becomes more stable
41
Q

Joint capsule

A
  • Attaches to the articular margins of the bones involved
  • More extensive anteriorly where it extends onto the neck of the talus
  • Collateral ligaments provide medial and lateral reinforcement to the capsule
42
Q

ankle joint classification

A

synovial
uniaxial
hinge

43
Q

ankle joint movements

A

dorsiflexion 30°
plantarflexion 50°

anatomy (15 decks)

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