Bones of the Foot

Question 1

Number of bones in the foot

Answer 1

26

Question 2

Bones of the Hindfoot (2)

Answer 2

Talus (dome-like top) & Calcaneus (largest bone in foot/heel)

Question 3

Bones of the Midfoot (5)

Answer 3

Navicular, Cuniforms (3), Cuboid

Question 4

Bones of the forefoot

Answer 4

Metatarsals (5) & Phalanges (14)

Question 5

Anatomical divisions of the foot

Answer 5

Hindfoot, midfoot, forefoot

Question 6

Sesamoids

Answer 6

Beneath the joint of hallux & first metatarsal

Question 7

Joints of the foot (#)

Answer 7

33 total
Phalangeal joints (14)
Allow for flexibility and motion between the bones of the foot.

Question 8

Arches of the foot (3)

Answer 8

Medial longitudinal arch, lateral longitudinal arch, transverse arch

Question 9

Subtalar / talocalcaneal joint

Answer 9

Transverse plane of motion.
Between talus and calcaneus.
3 facets where talus rests.
Triplane motion

Question 10

Ankle joint / talocrural joint

Answer 10

Sagittal Plane of motion.
Connection between lower leg and foot.

Question 11

Transverse Tarsal Joints (Midtarsal / Chopart’s joint)

Answer 11

Talonavicular Joint and calcaneocuboid joint

Question 12

Tarsometatarsal joint

Answer 12

Between midfoot & forefoot
Lysfranc joint

Question 13

Medial Longitudinal Arch

Answer 13

Most important of 3 arches of the foot.
Talus, calcaneus, navicular, 3 cuneiforms, first 3 metatarsals.
Keystone: navicular

Question 14

Lateral Longitudinal Arch

Answer 14

Lower/Flatter than medical arch.
Calcaneus, cuboid, 4/5th metatarsal bones.
Keystone: cuboid

Question 15

Transverse Arch

Answer 15

Right angle from medial/lateral longitudinal arches.
cuneiforms, cuboids & all 5 metatarsal bases.

Question 16

Lateral Collateral Ligaments (LCLs)

Answer 16

Anterior Talofibular Ligament
Posterior Talofibular Ligament
Calcaneofibular Ligament

Question 17

Deltoid Ligaments

Answer 17

Medial side of ankle.
Injury is less common to these ligaments compared to lateral ligaments.
Includes: anterior tibiotalar, tibionavicular, tibiocalcaneal, and posterior tibiotalar ligaments.

Question 18

Plantar Ligaments (3)

Answer 18

Long plantar ligament, Spring ligament/plantar calcaneonavicular ligament, short plantar ligament (calcaneocuboid ligament)

Question 19

Posterior Tibial Artery

Answer 19

Posterior/medial side of the foot. Location for pulse.

Question 20

Dorsalis Pedis Artery

Answer 20

Deep dorsum of foot between the 1st/2nd ray. Location for pulse.