foot & ankle review Flashcards

1
Q

the foot contains how many bones total

A

26

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2
Q

the phalanges make up __ bones

A

14

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3
Q

the metatarsal heads are

A

distal

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4
Q

a common trauma site for the foot & must be well visualized on radiographs

A

the base of the fifth metatarsal

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5
Q

where are sesamoid bones found in the feet

A

on the plantar surface at the head of the first metatarsal

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6
Q

largest and strongest bone of the foot

A

calcaneus

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7
Q

area common for bone spurs

A

posterior portion of the calcaneus

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8
Q

the calcaneus articulates with the

A

cuboid anteriorly & the talus superiorly

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9
Q

the calcaneus sulcus combines with a groove of the talus, forms an opening for ligaments. what is the opening called

A

sinus tarsi (sits between the calcaneus & talus)

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10
Q

flattened oval shaped bone, sits on the medial side of the foot between the talus & the 3 cuneiforms

A

navicular

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11
Q

weight barring bone of the lower limb

A

tibia

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12
Q

the most distal part of fibula / ankle joint

A

lateral malleolus

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13
Q

anterior surface of the foot

A

dorsumpedis

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14
Q

posterior surface of the foot

A

plantar

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15
Q

CR for an AP oblique toes

A

perpendicular to the IR, at the MTP joint

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16
Q

lateromedial projection is used for

A

great/big toe

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17
Q

for lateral toes, rotate foot medially for

A

first, second, and third digits

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18
Q

for lateral toes rotate the foot laterally for

A

4th & 5th digits

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19
Q

best projection for cuboid

A

AP oblique foot (medial rotation)

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20
Q

most distal part of a metatarsal

A

head

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21
Q

how much foot rotation is required for the AP oblique, medial rotation projection of the foot

A

30 - 40 degrees

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22
Q

another name for the AP projection of the foot

A

dorsoplantar projection

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23
Q

for the AP projection of the toes, the CR is directed to the

A

third MTP joint

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24
Q

the most commonly performed oblique projection of the foot is the

A

AP oblique in medial rotation

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25
Q

the CR angle for an AP oblique projection of the foot is

A

0 degrees

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26
Q

for a lateral projection of the foot , the CR is directed to

A

the base of the third metatarsal

27
Q

what is the CR angulation for the axial projection of the calcaneus

A

40 degrees

28
Q

to prevent lateral rotation, how should the foot be positioned for a lateral projection of the ankle

A

in dorsiflexion

29
Q

for a lateral projection of the ankle , the CR must enter the

A

medial malleolus

30
Q

to demonstrate the ankle mortise , the leg and foot should be rotated medially how many degrees

A

15 - 20 degrees

31
Q

how many degrees of angulation are required to open the interphalangeal joint spaces of the toes on an AP projection

A

15 degrees

32
Q

how is the patient placed for a lateral projection of the great toe and second toe

A

recumbent on the medial side

33
Q

the amount of obliquity for an internal oblique foot

A

30 - 40 degrees

34
Q

the amount of obliquity for an internal oblique ankle

A

45 degrees

35
Q

the _ metatarsal has a tuberosity that is prominent at its base

A

5th

36
Q

when the patient is positioned for a lateral foot or ankle , the foot forms a __ degree angle with the tibia and fibula

A

90

37
Q

when the patient is positioned for a lateral foot or ankle the

A

dorsal surface of the foot is perpendicular to the IR

38
Q

names of the tarsal bone

A

medial cuneiform, intermediate cuneiform, lateral cuneiform, navicular, talus, cuboid, & calcaneus

39
Q

which tarsal bone articulates superiorly on the calcaneus

A

talus

40
Q

which tarsal bone is located between the calcaneus & the 4th and 5th metatarsals

A

cuboid

41
Q

which tarsal bone is lateral from the cuneiforms

A

cuboid

42
Q

which tarsal bone is located between the talus & the cuneiforms

A

navicular

43
Q

name the tarsal bones that articulate with the metatarsals

A

3 cuneiforms & cuboid

44
Q

which tarsal bone forms part of the ankle joint

A

talus

45
Q

the two bones of the lower leg

A

tibia & fibula

46
Q

lateral bone of the leg

A

fibula

47
Q

smaller bone of the leg

A

fibula

48
Q

another name for the ankle joint

A

mortise

49
Q

what forms the ankle joint

A

lateral & medial malleolus & talus

50
Q

where is the sustentaculum tali

A

on medial aspect of calcaneus

51
Q

metatarsals base is

A

proximal

52
Q

smallest tarsal bone

A

intermediate cuneiform

53
Q

degree the mortise opens on an ankle

A

15 - 20 degrees

54
Q

calcaneus lateral CR

A

1” inferior to medial malleolus

55
Q

band that spans the medial cuneiform to the first and second metatarsal bases, high stress mid foot injury

A

lisfranc injury

56
Q

common primary malignant bone tumor that comes from the bone marrow, resembles an onion that has layers of peeling

A

ewing sarcoma

57
Q

also called giant cell tumor , large radiolucent lesions with thin strips of bone between, mostly present on long bones

A

osteoclastoma

58
Q

means bone softening , lack of bone mineralization due to calcium deficiency or vitamin D , called rickets in pediatrics

A

osteomalacia

59
Q

increases uric acid in the blood, leads to the deposition of uric acid crystals in joints , cartilage, and kidney. manifests as very painful arthritis

A

gout

60
Q

fracture of both malleoli, one side is usually spiral or oblique and the other is transverse

A

bimalleolar fracture

61
Q

common transverse fracture of the 5th metatarsal base

A

jones fracture

62
Q

fracture of both malleoli with ankle dislocation

A

potts fracture

63
Q

most common type of primary bone cancer , looks like punched out bone , loss of calcium in the bone

A

multiple myeloma