Anatomy: Foot

Question 1

_____ and _______ articulate at the Subtalar joint.

Answer 1

Talus and Calcaneous

Question 2

There are two Midtarsal joints: ________ and _____________

Answer 2

Calcaneocuboid

Talocalcaneonavicular

Question 3

Midtarsal joints are synovial joints, with ______ and _____being the main movements. These movement is coordinated by what muscles?

Answer 3

inversion
-tibialis anterior and tibialis posterior

eversion
-fibularis lungus and brevis

Question 4

Cuneiforms and the cuboid articulate with the metatarsals, forming the __________ joints

Answer 4

tarosmetatarsal joints

Question 5

What movements are possible at the Metatarsophalyngeal (MTP) joints?

Answer 5

Flexion
extension
abduction/adduction
circumduction of digits

Question 6

Interphalyngeal joints enable ____ and ______ of the toes

Answer 6

flexion and extension

Question 7

What is the function of the arches of the foot?

Answer 7

1. Increasing the weight bearing capacity
2. Redistribution of weight across the foot
3. Shock-absorption

Question 8

List the 3 arches of the foot.

Answer 8

1. Medial longitudinal arch
2. Lateral longitudinal arch
3. Transverse arch

Question 9

What are the components of the Medial longitudinal arch?

Answer 9

Bones:
Calcaneous, Talus, Navicular, 3 Cuneiforms, Metatarsals 1-3

Supported by:
Flexor hallucis lingus
Tendon of Tibialis anterior
Tendon of Fibularis longus

Question 10

What bones form the Lateral longitudinal arch?

Answer 10

Calcaneus
Cuboid
Cuneiforms
Metatarsals 4&5

Question 11

What are the components of the Transverse arch of the foot?

Answer 11

Bones:
Cuboid
Cuneiforms
All 5 Metatarsals

Supported by:
Fibulars longus
Tibialis posterior

Question 12

Dorsalis pedis is a branch of the _____ ______ artery. It is palpated lateral to _____ _____ ______ tendon. It branches into the _____ artery

Answer 12

Anterior tibial artery

Extensor hallucis longus tendon

Arcuate artery

Question 13

Medial and lateral plantar arteries are branches of the _____ _____ artery. Both contribute to the _____ ____ arch.

Answer 13

Posterior tibial artery

Deep plantar arch

Question 14

The Deep plantar arch and the arcuate aretery give rise to the _______ arteries, which in turn branch into _____ arteries.

Answer 14

metatarsal

digital

Question 15

The superficial veins of the foot comprise of the ______ _____ ___, which gives rise to the ___ and ____ _____ veins.

Answer 15

Dorsal venous arch

Great and small saphenous veins

Question 16

What nerves supplies the motor innervation to the intrinsic muscles of the foot?

Answer 16

1. Tibial nerve (sole)

2. Deep fibular nerve (dorsum)

Question 17

What nerves (4) supply the sensory innervation to the dorsum of the foot?

Answer 17

1. Superficial fibular nerve
2. Deep fibular nerve
3. Sural nerve
4. Saphenous nerve

Question 18

What 3 nerves supply the sensory innervation of the plantar surface of the foot?

Answer 18

1. Tibial nerve
2. Sural nerve
3. Saphenous nerve