QUIZ 7 DEFS LEG OSTEOLOGY

Question 1

the bones found in the rear foot?

Answer 1

talus/astraglus

calcaneus

Question 2

this is the most proximal part of the foot

consists of 2 short bones, the greater tarsal bones

Answer 2

rearfoot/hindfoot/greater tarsus

Question 3

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

Answer 3

calcaneus

Question 4

the bones found in the mid foot?

Answer 4

navicular
cuboid
medial cuneiform
intermediate cuneiform
lateral cuneiform

Question 5

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

Answer 5

talus

Question 6

what are the synovial articulations of the talus?

Answer 6

tibia
fibula
calcaneus
navicular

Question 7

what are the synovial articulations of the calcaneus?

Answer 7

talus
cuboid
navicular

Question 8

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

normally does not contact the ground

Answer 8

midfoot/lesser tarsus

Question 9

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

Answer 9

navicular

Question 10

what are the synovial articulations of the navicular?

Answer 10

talus
medial cuneiform
intermediate cuneiform
lateral cuneiform
cuboid

Question 11

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

Answer 11

cuboid

Question 12

what are the cuboid articulations?

Answer 12

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

Question 13

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

Answer 13

medial cuneiform/first cuneiform

Question 14

what are the synovial articulations of the medial cuneiform?

Answer 14

navicular
1st metatarsal
intermediate cuneiform
2nd metatarsal

Question 15

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

Answer 15

intermediate cuneiform/second cuneiform

Question 16

what are the articulations of the intermediate cuneiform?

Answer 16

navicular
medial cuneiform
2nd metatarsal
lateral cuneiform

Question 17

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

Answer 17

lateral cuneiform

Question 18

what are the articulations of the lateral cuneiform?

Answer 18

navicular 
intermediate cuneiform
2nd metatarsal
3rd metatarsal
4th metatarsal
cuboid

Question 19

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

Answer 19

forefoot

metatarsophalangeal joints

Question 20

what are all the components of the forefoot?

Answer 20

metatarsus
phalanges
rays of the foot
columns of the foot
arches of the foot

Question 21

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

lesser metatarsal bones all twist externally from proximally to distal

Answer 21

metatarsus

Question 22

what are the parts of the metatarsus?

Answer 22

base
shaft
head
anatomic neck
surgical neck

Question 23

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

Answer 23

2>3>5>4>1

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

Question 24

what are the bones of the metatarsus?

Answer 24

1st metatarsal
2nd metatarsal
3rd metatarsal
4th metatarsal
5th metatarsal
sesamoids of the first metatarsal

Question 25

- the most medial of the metatarsal bones - the shortest (actual length), thickest and heaviest of the 5 metatarsal bones

Answer 25

First Metatarsal

Question 26

what are the synovial articulations of the first metatarsal?

Answer 26

medial cuneiform proximal phalanx of the hallux sesamoids 2nd metatarsals

Question 27

- 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

Answer 27

second metatarsal

Question 28

what are the synovial articulations of the second metatarsal?

Answer 28

``` intermediate cuneiform medial cuneiform 2nd proximal phalanx lateral cuneiform 3rd metatarsal 1st metatarsal ```

Question 29

- shorter than the 2nd, but longer than the 5th metatarsal (actual length)

Answer 29

Third Metatarsal

Question 30

what are the synovial articulations of the third metatarsal?

Answer 30

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

Question 31

- shorter than the 5th, but longer than the 1st metatarsal (actual length)

Answer 31

4th metatarsal

Question 32

what are the synovial articulations of the 4th metatarsal?

Answer 32

``` cuboid lateral cuneiform 3rd metatarsal 4th proximal phalanx 5th metatarsal ```

Question 33

- the most lateral of the metatarsal bones | - shorter than 3rd, longer than 4th (actual length)

Answer 33

fifth metatarsal

Question 34

what are the synovial articulations of the 5th metatarsal?

Answer 34

cuboid 4th metatarsal proximal phalanx of the 5th digit

Question 35

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

Answer 35

sesamoids of the first metatarsal tibial sesamoid fibular sesamoid

Question 36

- bones of the digits (hands or feet) - pedal digits are toes; pedal phalanges are in the toes - normally 14 long bones

Answer 36

phalanges (phalanx is singular)

Question 37

what are the parts of the phalanges?

Answer 37

base shaft head

Question 38

what are the components of the hallux or great toe?

Answer 38

proximal phalanx of hallus distal phalanx of hallux

Question 39

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

Answer 39

1st metatarsal | distal phalanx of the hallux

Question 40

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

Answer 40

proximal phalanx of the hallux

Question 41

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

Answer 41

Second, Third, Fourth & Fifth Pedal Digits proximal phalanges middle phalanges distal phalanges

Question 42

name this phalange and articulation? - have rounded bicondylar heads and widened concave bases

Answer 42

proximal phalanges 2nd through 5th metatarsals 2nd through 5th Middle Phalanges

Question 43

name this phalange and articulations? - have rounded bicondylar heads and bicondylar concave bases

Answer 43

middle phalanges Proximal Phalanges of the 2nd through 5th Digits 2nd through 5th Distal Phalanges

Question 44

name this phalange and articulations? - have rough flattened heads and bicondylar concave bases

Answer 44

distal phalanges 2nd through 5th Middle Phalanges

Question 45

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?

Answer 45

40% distal phalanx