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OPTIM OCS: LQ > Ankle: Anatomy 3 > Flashcards

Ankle: Anatomy 3 Flashcards

1
Q

STJ is what type of joint?

A

uniaxial

synovial

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2
Q

STJ: How many articulations with the tibia?

A

3

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3
Q

STJ: location of 3 articular facets with the tibia

A

2 anterior

1 posterior

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4
Q

Axis of the STJ is (uni/bi/tri)planar

A

triplanar

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5
Q

The triplanar axis of the STJ travels from where to where?

A

FROM lateral/posterior/inferior

TO medial/anterior/superior

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6
Q

STJ OKC movement components:

pronation

A

CALCANEAL EVERSION

forefoot dorsiflexion and abduction

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7
Q

STJ OKC movement components:

supination

A
  • Calcaneal inversion

- forefoot adduction and plantarflexion

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8
Q

STJ CKC movement components:

pronation

A
  • CALCANEAL EVERSION

- adduction and PF of head of the talus

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9
Q

STJ CKC movement components:

supination

A
  • calcaneal inversion

- abduction and dorsiflexion of the head of the talus

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10
Q

During gait, this STJ motion allows the MTJ to unlock and become flexible to the surface

A

pronation

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11
Q

During gait, this STJ motion allows the MTJ to become more rigid for propulsion

A

supination

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12
Q

Medial rotation of the leg causes a (valgus/varus) movement of the calcaneus

A

valgus

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13
Q

Lateral rotation of the leg causes a (valgus/varus) movement of the calcaneus

A

varus

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14
Q

Joints of the midfoot: Which are they?

A
  • talocalcaneonavicular
  • calcaneocuboid
  • cuboideonavicular
  • intercuneiform
  • cuneocuboid
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15
Q

midfoot joints: resting position

A

midway between pronation and supination

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16
Q

midfoot joints: closed packed position

A

supination

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17
Q

midfoot joints: capsular pattern

A

DF > PF > adduction > medial rotation (inv)

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18
Q

midfoot joints: arthrokinematics around these axes

A

longitudinal

oblique

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19
Q

midfoot joints:

During pronation/supination, which bones are moving primarily?

A

navicular

cuboid

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20
Q

midfoot joints: During supination (inversion), the concave navicular rolls and glides (direction) on the convex talus

A

superiorly

laterally

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21
Q

midfoot joints: During supination (inversion), the concave cuboid rolls and glides (direction) on the convex calcaneus

A

inferiorly

medially

22
Q

midfoot joints: During pronation (eversion), the concave navicular rolls and glides (direction) on the convex talus

A

inferiorly

medially

23
Q

midfoot joints: During pronation (eversion), the concave cuboid rolls and glides (direction)

A

superiorly

laterally

24
Q

joints of the forefoot: 1st ray TMT joint is an attachment between these bones

A

medial cuneiform

1st metatarsal

25
Q

joints of the forefoot: 1st ray TMT joint is (uni/bi/tri)planar

A

triplanar

26
Q

joints of the forefoot: 5th ray TMT joint is an attachment between these bones

A

5th metatarsal

cuboid

27
Q

1st MTP: need how much extension for gait

A

65-70˚

28
Q

1st MTP: need how much extension for sprinting

A

~90˚

29
Q

1st MTP: normal extension

A

70˚

30
Q

1st MTP: normal flexion ROM

A

45˚

31
Q

1st MTP: normal abd/add ROM

A

15˚

32
Q

2nd-5th MTP: ext ROM

A

> 45˚

33
Q

2nd-5th MTP: flex ROM

A

40˚

34
Q

2nd-5th MTP: abd/add ROM

A

5-20˚

35
Q

MTP joints: types of joints

A

condyloid

synovial

36
Q

MTP joints: degrees of freedom

A

2

37
Q

MTP joints: proximal phalanx is (convex/concave)

A

concave

38
Q

MTP joints: metatarsal head is (convex/concave)

A

convex

39
Q

MTP joints: closed packed position

A

full extension

digits 2-5 may be closed packed in full flexion

40
Q

MTP joints: resting position

A

10˚ ext

41
Q

MTP joints: capsular pattern

A

limited ext > flex

42
Q

IP joints: type

A

hinge

synovial

43
Q

IP joints: distal phalanx is (convex/concave)

A

concave

44
Q

IP joints: proximal phalanx is (convex/concave)

A

convex

45
Q

IP joints: motions performed

A

flexion

extension

46
Q

IP joints: closed packed position

A

extension

47
Q

IP joints: capsular pattern

A

limited flex > ext

48
Q

IP joints: ROM

1st IP

A

0-90˚

49
Q

IP joints: normal ROM PIP 2-5

A

0-35˚

50
Q

IP joints: DIP 2-5 ROM

A

30˚ ext

60˚ flex

OPTIM OCS: LQ (43 decks)

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