Ankle: Anatomy 3

Question 1

STJ is what type of joint?

Answer 1

uniaxial

synovial

Question 2

STJ: How many articulations with the tibia?

Answer 2

3

Question 3

STJ: location of 3 articular facets with the tibia

Answer 3

2 anterior

1 posterior

Question 4

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

Answer 4

triplanar

Question 5

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

Answer 5

FROM lateral/posterior/inferior

TO medial/anterior/superior

Question 6

STJ OKC movement components:

pronation

Answer 6

CALCANEAL EVERSION

forefoot dorsiflexion and abduction

Question 7

STJ OKC movement components:

supination

Answer 7

• Calcaneal inversion

- forefoot adduction and plantarflexion

Question 8

STJ CKC movement components:

pronation

Answer 8

• CALCANEAL EVERSION

- adduction and PF of head of the talus

Question 9

STJ CKC movement components:

supination

Answer 9

• calcaneal inversion

- abduction and dorsiflexion of the head of the talus

Question 10

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

Answer 10

pronation

Question 11

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

Answer 11

supination

Question 12

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

Answer 12

valgus

Question 13

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

Answer 13

varus

Question 14

Joints of the midfoot: Which are they?

Answer 14

• talocalcaneonavicular
• calcaneocuboid
• cuboideonavicular
• intercuneiform
• cuneocuboid

Question 15

midfoot joints: resting position

Answer 15

midway between pronation and supination

Question 16

midfoot joints: closed packed position

Answer 16

supination

Question 17

midfoot joints: capsular pattern

Answer 17

DF > PF > adduction > medial rotation (inv)

Question 18

midfoot joints: arthrokinematics around these axes

Answer 18

longitudinal

oblique

Question 19

midfoot joints:

During pronation/supination, which bones are moving primarily?

Answer 19

navicular

cuboid

Question 20

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

Answer 20

superiorly

laterally

Question 21

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

Answer 21

inferiorly

medially

Question 22

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

Answer 22

inferiorly

medially

Question 23

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

Answer 23

superiorly

laterally

Question 24

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

Answer 24

medial cuneiform

1st metatarsal

Question 25

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

Answer 25

triplanar

Question 26

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

Answer 26

5th metatarsal | cuboid

Question 27

1st MTP: need how much extension for gait

Answer 27

65-70˚

Question 28

1st MTP: need how much extension for sprinting

Answer 28

~90˚

Question 29

1st MTP: normal extension

Answer 29

70˚

Question 30

1st MTP: normal flexion ROM

Answer 30

45˚

Question 31

1st MTP: normal abd/add ROM

Answer 31

15˚

Question 32

2nd-5th MTP: ext ROM

Answer 32

> 45˚

Question 33

2nd-5th MTP: flex ROM

Answer 33

40˚

Question 34

2nd-5th MTP: abd/add ROM

Answer 34

5-20˚

Question 35

MTP joints: types of joints

Answer 35

condyloid | synovial

Question 36

MTP joints: degrees of freedom

Answer 36

2

Question 37

MTP joints: proximal phalanx is (convex/concave)

Answer 37

concave

Question 38

MTP joints: metatarsal head is (convex/concave)

Answer 38

convex

Question 39

MTP joints: closed packed position

Answer 39

full extension | digits 2-5 may be closed packed in full flexion

Question 40

MTP joints: resting position

Answer 40

10˚ ext

Question 41

MTP joints: capsular pattern

Answer 41

limited ext > flex

Question 42

IP joints: type

Answer 42

hinge | synovial

Question 43

IP joints: distal phalanx is (convex/concave)

Answer 43

concave

Question 44

IP joints: proximal phalanx is (convex/concave)

Answer 44

convex

Question 45

IP joints: motions performed

Answer 45

flexion | extension

Question 46

IP joints: closed packed position

Answer 46

extension

Question 47

IP joints: capsular pattern

Answer 47

limited flex > ext

Question 48

IP joints: ROM | 1st IP

Answer 48

0-90˚

Question 49

IP joints: normal ROM PIP 2-5

Answer 49

0-35˚

Question 50

IP joints: DIP 2-5 ROM

Answer 50

30˚ ext | 60˚ flex