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Kinesiology > Ankle 3 > Flashcards

Ankle 3 Flashcards

1
Q
  • Anterior Compartment
    • Concentric
A

DF of ankle for foot clearance during swing

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2
Q

Anterior Compartment
Eccentric

A

Controlled PF to prevent foot slap at Initial contact

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3
Q
  • Posterior Compartment
    • Eccentric
A

to control forward progression of tibial over foot (DF)

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4
Q

Posterior Compartment
Isometric

A

allow a rigid forefoot during heel off

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5
Q
  • Lateral Compartment
    • Eccentric
A

at heel off to counter supination and to stabilize first ray at heel off

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6
Q
  • Medial Attachments
    • Eccentric
A

from initial contact to mid stance to control pronation

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7
Q
  • Foot Alignment
    • Measure DF with knee extended
A

Less ROM becasue Gastroc is tight

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8
Q

Measure DF with knee flexed

A

ROM is increased

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9
Q

Medial Longitudinal Arch

A

calcaneus, talus, navicular, three cuneiforms, and three metatarsals

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10
Q

Medial Longitudinal Arch
Runs from

A

calcaneus to metatarsal heads

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11
Q

Medial Longitudinal Arch supported by

A

spring ligament

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12
Q

Spring Ligament attachments

A

sustenaculum talus to navicular tuberosity

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13
Q

In the young child, the foot appears to be

A

flat

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14
Q

Lateral Longitudinal Arch

A

calcaneus, cuboid, and lateral two metatarsals

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15
Q

Lateral Longitudinal Arch
Runs from

A

calcaneus to metatarsal heads

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16
Q

Lateral Longitudinal Arch
Supported by

A

long plantar ligament

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17
Q

Long plantar ligament extends to

A

lateral 4 metatarsals

18
Q

Transverse Arch

A

cuboid, cuneiforms, and bases of the metatarsals

19
Q

Function of the Arches

A

Protect neurovascular structures on plantar surface, absorb shock, and store energy

20
Q

Arches develop in parallel with

21
Q

Pes Planus

A

lose normal arch with pronated or flat feet, more pressure on MLA and tibialis posterior

22
Q

Proximal Tibiofibular Joint Supported by

A

capsule, anterior and posterior ligaments to the head of the fibula and the interosseous membrane

23
Q

Distal Tibiofibular Joint supported by

A

Interosseous membrane

Anterior and posterior tibiofibular ligaments

24
Q

Talocrural Joint
- Collateral ligaments reinforce capsule

A

medially and laterally

25
Q

Ankle DF
Deg ____
Due to _______

A

15-25
shape of trochlea

26
Q

Ankle PF

27
Q

Pronation

A

DF + slight ABD and eversion

28
Q

Supination

A

PF + slight adduction and inversion

29
Q

Talocrural
- Arthrokinematics
- Open Chain

A

Talus on tibia (convex on concave)

30
Q

Talocrural
- Arthrokinematics
- Close Chain

A

Tibia on talus (concave on convex)

31
Q

Tibionavicluar ligament

A

Limits eversion

32
Q

Tibiocalcaneal Ligament

A

limits eversion

33
Q

Posterior tibiotalar ligament

A
  • Limits eversion
  • Limits DF
34
Q

Anterior tibiotalar ligament

A

Limits eversion, PF

35
Q

Anterior talofibular ligament

A
  • Limits anterior displacement of talus
  • Limits inversion
  • Limits PF
36
Q

Calcaneofibular ligament

A
  • Limits inversion
  • Limits DF
37
Q

Posterior talofibular ligament

A
  • Limits posterior displacement of talus
  • Limits DF
38
Q
  • Arthrokinematics Talocrural Joint (Ankle)
    • Open Chain DF
A

anterior roll and posterior slide

39
Q

Arthrokinematics Talocrural Joint (Ankle)
Open Chain PF

A

posterior roll and anterior slide

40
Q

Arthrokinematics Talocrural Joint (Ankle)
Closed Chain DF

A

anterior roll/slide

41
Q

Arthrokinematics Talocrural Joint (Ankle)
Closed chain PF

A

Posterior roll/slide

Kinesiology (23 decks)

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