QUIZ 7 DEFS LEG OSTEOLOGY Flashcards

1
Q

the bones found in the rear foot?

A

talus/astraglus

calcaneus

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2
Q

this is the most proximal part of the foot

consists of 2 short bones, the greater tarsal bones

A

rearfoot/hindfoot/greater tarsus

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3
Q

this is also the heel bone, the initial point of contact with the ground during gait, positioned inferior and slightly lateral in the foot?

A

calcaneus

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4
Q

the bones found in the mid foot?

A
navicular
cuboid
medial cuneiform
intermediate cuneiform
lateral cuneiform
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5
Q

this is the ankle bone, transfers the body weight from the leg to the foot, positioned superior and slightly medial to the foot

A

talus

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6
Q

what are the synovial articulations of the talus?

A

tibia
fibula
calcaneus
navicular

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7
Q

what are the synovial articulations of the calcaneus?

A

talus
cuboid
navicular

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8
Q

this part of the foot consists of 5 short bones, the lesser tarsal bones

normally does not contact the ground

A

midfoot/lesser tarsus

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9
Q

this part of the mid foot is medially placed the foot and superior relative to the cuboid

A

navicular

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10
Q

what are the synovial articulations of the navicular?

A
talus
medial cuneiform
intermediate cuneiform
lateral cuneiform
cuboid
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11
Q

this bone of the mid foot is laterally placed in the foot and inferior relative to the navicular?

A

cuboid

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12
Q

what are the cuboid articulations?

A
calcaneus
lateral cuneiform
4th metatarsal
5th metatarsal
navicular, 50% present as synovial joint
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13
Q

the most medial and largest of the 3 cuneiform of the midfoot?

A

medial cuneiform/first cuneiform

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14
Q

what are the synovial articulations of the medial cuneiform?

A

navicular
1st metatarsal
intermediate cuneiform
2nd metatarsal

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15
Q

this bone of the mid foot is the middle and smallest of the 3 cuneiforms?

A

intermediate cuneiform/second cuneiform

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16
Q

what are the articulations of the intermediate cuneiform?

A

navicular
medial cuneiform
2nd metatarsal
lateral cuneiform

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17
Q

in the mid foot, this is the bone that is the most lateral of the 3 cuneiforms?

A

lateral cuneiform

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18
Q

what are the articulations of the lateral cuneiform?

A
navicular 
intermediate cuneiform
2nd metatarsal
3rd metatarsal
4th metatarsal
cuboid
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19
Q

this part of the foot consists of 19 bones

ball of the foot, this is what joint?

all shafts can be palpated dorsally

all heads dorsal, plantar and distally can be palpated, sesamoids are plantar

concavity of the shafts is plantar

weight passes from rear foot to forefoot

A

forefoot

metatarsophalangeal joints

20
Q

what are all the components of the forefoot?

A
metatarsus
phalanges
rays of the foot
columns of the foot
arches of the foot
21
Q

this is the part of the forefoot with 5 long bones, the metatarsal bones

lesser metatarsal bones all twist externally from proximally to distal

A

metatarsus

22
Q

what are the parts of the metatarsus?

A
base
shaft
head
anatomic neck
surgical neck
23
Q

actual length of the metatarsal bones compared with each other? relative length?

A

2>3>5>4>1

2>3>1>4>5 or 2>3=1>4>5

24
Q

what are the bones of the metatarsus?

A
1st metatarsal
2nd metatarsal
3rd metatarsal
4th metatarsal
5th metatarsal
sesamoids of the first metatarsal
25
Q
  • the most medial of the metatarsal bones
  • the shortest (actual length), thickest and heaviest of the 5 metatarsal
    bones
A

First Metatarsal

26
Q

what are the synovial articulations of the first metatarsal?

A

medial cuneiform
proximal phalanx of the hallux
sesamoids
2nd metatarsals

27
Q
  • the longest of the five metatarsal bones (actual and relative lengths)
  • the most stable due to its position; its base is wedged intermediate to the medial and lateral cuneiform bones
A

second metatarsal

28
Q

what are the synovial articulations of the second metatarsal?

A
intermediate cuneiform
medial cuneiform
2nd proximal phalanx
lateral cuneiform
3rd metatarsal
1st metatarsal
29
Q
  • shorter than the 2nd, but longer than the 5th metatarsal (actual length)
A

Third Metatarsal

30
Q

what are the synovial articulations of the third metatarsal?

A

lateral cuneiform
2nd metatarsal
proximal phalanx of the 3rd digit
4th metatarsal

31
Q
  • shorter than the 5th, but longer than the 1st metatarsal (actual length)
A

4th metatarsal

32
Q

what are the synovial articulations of the 4th metatarsal?

A
cuboid
lateral cuneiform
3rd metatarsal
4th proximal phalanx
5th metatarsal
33
Q
  • the most lateral of the metatarsal bones

- shorter than 3rd, longer than 4th (actual length)

A

fifth metatarsal

34
Q

what are the synovial articulations of the 5th metatarsal?

A

cuboid
4th metatarsal
proximal phalanx of the 5th digit

35
Q

these are the two small rounded bones, plantar to the first metatarsal head?

what are the synovial articulations?

A

sesamoids of the first metatarsal

tibial sesamoid
fibular sesamoid

36
Q
  • bones of the digits (hands or feet)
  • pedal digits are toes; pedal phalanges are in the toes
  • normally 14 long bones
A

phalanges (phalanx is singular)

37
Q

what are the parts of the phalanges?

A

base
shaft
head

38
Q

what are the components of the hallux or great toe?

A

proximal phalanx of hallus

distal phalanx of hallux

39
Q

what are the articulations of the proximal phalanx of the hallux?

A

1st metatarsal

distal phalanx of the hallux

40
Q

what are the articulations of the distal phalanx of the hallux?

A

proximal phalanx of the hallux

41
Q

these digits are:

  • the phalanges for the second through the fifth digits are all the same
  • keep in mind that the articulations are for the digit being discussed

name these components

A

Second, Third, Fourth & Fifth Pedal Digits

proximal phalanges
middle phalanges
distal phalanges

42
Q

name this phalange and articulation?

  • have rounded bicondylar heads and widened concave bases
A

proximal phalanges

2nd through 5th metatarsals

2nd through 5th Middle Phalanges

43
Q

name this phalange and articulations?

  • have rounded bicondylar heads and bicondylar concave bases
A

middle phalanges

Proximal Phalanges of the 2nd through 5th Digits

2nd through 5th Distal Phalanges

44
Q

name this phalange and articulations?

  • have rough flattened heads and bicondylar concave bases
A

distal phalanges

2nd through 5th Middle Phalanges

45
Q

The middle and distal phalanges of the fifth pedal digit are fused in about how much of the population? when fused they are considered to be what kind of phalanx of the fifth digit?

A

40%

distal phalanx