Lower Extrem

Question 1

How many bones are in the foot?

Answer 1

26

Question 2

In the 26 bones, how is the division across the three types of bones in the foot?

Answer 2

Phalange (14), Metatarsals (5), and Tarsals (7)

Question 3

how is the first metatarsal different from the rest?

Answer 3

It is thicker and bears more weight

Question 4

Proximal portion of the 5th metatarsal is an important aspect on the x ray view b/c….

Answer 4

it is a site of common injury

Question 5

name the tarsal bones.. (7)

Answer 5

Calcaneous, Tarlus, cuboid, navicular, Middle/intermediate/and lateral cuneiforms

Question 6

which of the tarsal bone is in direct articulation with the ankle bones?

Answer 6

talus

Question 7

what are the 2 bones that the calcaneus articulates with?

Answer 7

Superior aspect, talus.

Anterior aspect, Cuboid

Question 8

Talus is the only tarsal bone that articulates with ankle bones, what are those bones?

Answer 8

Tibia and fibula

Question 9

Cuboid, tarsal bone, is called this way b/c it is

Answer 9

cube shaped

Question 10

which of the cuneiform bones articulates with 6 bones? and what are the 6 bones?

Answer 10

it is the lateral cuneiform,

Navicular, Cuboid, middle cuneiform, 2-4 metatarsals

Question 11

where can you find the sesamoid bones of the foot?

Answer 11

on plantar surface at the head of 1st metatarsophalangeal joint

Question 12

what type of joint is IP of the foot?

Answer 12

Ginglymus

Question 13

what joint does the 1st digit of the foot not have when compared to others?

Answer 13

DIP or PIP, it just has an IP b/c it does not have a middle phalanx

Question 14

what is an MTP joint?

Answer 14

Metatarsophalangeal joint, it is a joint between metatarsal and phalanges

Question 15

What is a TMT joint?

Answer 15

it is tarsometatarsal joint, it joins the tarsals and the metatarsals

Question 16

what type of joint is the MTP?

Answer 16

Ellipsoidal

Question 17

what type of joint is the TMT?

Answer 17

Gliding

Question 18

what are the two arches of the foot?

Answer 18

Longititudinal and transverse

Question 19

Distal Tibia and Fibula form a deep pocket, 3 sided opening, called the….

Answer 19

mortise

Question 20

tibial joint surface that forms roof of ankle mortise joint is called….

Answer 20

tibial plafond

Question 21

what is the line between malleoli?

Answer 21

intermalleolar line

Question 22

To demonstrate mortise, what is required of the intermalleolar line?

Answer 22

it needs to be parallel to the IR

Question 23

how do you get the mortise to be parallel to the IR?

Answer 23

internally rotating the entire leg 15-20 degrees

Question 24

what tendon is attached to the calcaneus?

Answer 24

Achilles

Question 25

On an axial view of the Calcaneus, what can you locate on the lateral aspect?

Answer 25

Peroneal Trochlea

Question 26

Where is the sustentaculum tali located on the calcaneus?

Answer 26

medially.

Question 27

how many articulating facet does the talocalcaneal joint have?

Answer 27

3, posterior, middle and anterior articular facets

Question 28

where is the Sinus Tarsi formed?

Answer 28

in middle of the subtalar joint

Question 29

What should you be able to identified in a lateral heel view?

Answer 29

Sinus Tarsi, tibiotalar joint, talonavicular joint, talocalcaneal joint

Question 30

which of the leg bones is the weight bearing one?

Answer 30

Tibia

Question 31

Tibia has 2 condyles, medial and lateral, T/F?

Answer 31

True

Question 32

What is another name for superior articular surface?

Answer 32

Tibial Plateau

Question 33

What is the angle in which the tibial plateau slope?

Answer 33

10-20 degrees