8. Foot Bones

Question 1

Total number of bones in foot?

Answer 1

26 total
7 tarsal
5 metatarsals
14 phalanges

Question 2

What is usually found under the first metatarsal?

Answer 2

A pair of sesamoid bones within tendon of flexor hallucis brevis

Question 3

What do the tarsals and metatarsals form?

Answer 3

Longitudinal and transverse arches of foot

Question 4

Tarsal bones

Answer 4

Calcaneus
Talus
Navicular
Cuboid
Medial cuniform
Intermediate cuniform
Lateral cuniform

Question 5

Shape of Talus

Answer 5

Head - rounded, convex, distal articular surface
Body - squarish, bulky
Trochlea - saddle shaped articular surface

Question 6

What joint is the talus the lower member of?

Answer 6

Talocrural joint
(tibia, fibula and talus)

Question 7

What groove is on the talus?

Answer 7

Flexor hallucis longus groove

Short, nearly vertical

Question 8

Location of cuboid bone

Answer 8

Lateral side of foot

Between calcaneus and MT4/5

Question 9

Articulations of cuboid bone

Answer 9

Calcaneus
MT4
MT5
Navicular
3rd cuneiform

Question 10

How to idnetify cuboid bone

Answer 10

Large size

Projection, pointed, proximal articular surface (medial)

Question 11

Articulations of navicular

Answer 11

Head of talus
Three cuneiforms
Corner of cuboid

Question 12

Tubercle of navicular

Answer 12

Large blunt projection on medial side

Main insertion of tibialis posterior

Question 13

Properties of 1st cuneiform

Answer 13

Largest cuneiform
Between navicular and MT1
Kidney shaped facet
Medial

Question 14

Articulations of 1st cuneiform

Answer 14

Navicular
MT1
Second cuneiform
MT2

Question 15

Intermediate cuneiform

Answer 15

Smallest of all three cuneiforms

Between navicular and MT2

Question 16

Articulations of intermediate cuneiform

Answer 16

Navicular
MT2
Medial cuneiform
Lateral cuneiform

Question 17

Lateral cuneiform

Answer 17

Located in centre of foot

Middle sized cuneiform

Question 18

Articulations of lateral cuneiform

Answer 18

MT2
MT3
MT4
Intermediate cuneiform
Cuboid
Navicular

Question 19

Properties of metatarsals

Answer 19

Tubular bones
Round distal articular heads
Squarish proximal bases
Plantar shaft more concave

Metatarsals = Heads smaller than bases
Metacarpals = Heads larger than bases

Question 20

Properties of 1st metatarsal

Answer 20

Shortest and largest
Sesamoid grooves on bottom for sesamoid bones
Articulates with medial cuneiform

Question 21

Properties of 2nd metatarsal

Answer 21

Longest
Narrowest
Two lateral facets at base
More styloid appearance than MT3

Question 22

Articulations of 2nd metatarsal

Answer 22

Lateral cuneiform
MT3
Intermediate cuneiform
Medial cuneiform

Question 23

Properties of MT3

Answer 23

Very similar to MT2
2 medial facets
Single large basal facet
Base is squarer
Large bulging tubercle

Question 24

Articulations of 3rd metatarsal

Answer 24

MT2
MT4
Lateral cuneiform

Question 25

Properties of MT4

Answer 25

Shorter than MT2/3
Single medial and lateral basal facets
Facet for cuboid is oval

Question 26

Articulations of MT4

Answer 26

MT3
MT5
Cuboid

Question 27

Properties of MT5

Answer 27

Styloid process which is insertion for tendon of peroneus brevis

Question 28

Articualtions of MT5

Answer 28

MT4

Cuboid

Question 29

Proximal phalanges

Answer 29

Single concave proximal facet
trochlear surface distally
Hallux phalanx bigger than the rest

Question 30

Intermediate phalanges

Answer 30

Double proximal articular facet

Trochlea shaped distal facet

Question 31

Distal phalanges

Answer 31

Double proximal articular facet

Terminal tip is a non-articular pad

Question 32

Name of non articular pad on distal phalanges

Answer 32

Distal phalangeal tubercle

Question 33

Attachments of soleus and gastrocnemius?

Answer 33

Insert into achilles tendon on to the calcaneus

Question 34

Attachment of tibialis anterior?

Answer 34

Medial cuneiform

1st metatarsal

Question 35

Attachment of peroneus brevis?

Answer 35

Base of 5th metatarsal