Legs & foot

Question 1

What muscles make up the anterior compartment of the leg? (4)

Answer 1

Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Peroneus tertius

Question 2

What muscles make up the lateral compartment of the leg? (2)

Answer 2

Peroneus/ fibularis longus
Peroneus brevis
(travels below the lateral malleolus)

Question 3

What does tibialis anterior muscle do?

Answer 3

Dorsiflexes and inverts the foot

Question 4

What muscles make up the superficial posterior compartment of the leg? (4)

Answer 4

Gastrocnemius
Soleus
Plantaris
Calcaneal/ Achilles’ tendon

Question 5

What muscles make up the deep posterior compartment of the leg? (4)

Answer 5

Popliteus
Flexor digitorum longus
Flexor hallucis longus
Tibialis posterior

Question 6

What muscle is used for tissue grafts?

Answer 6

Plantaris

Question 7

What muscles form the Achilles’ tendons?

Answer 7

Gastrocnemius
Soleus
Plantaris

Question 8

What does popliteus do?

Answer 8

Unlocks the knee for lateral rotation

Question 9

What is the blood supply for the anterior compartment of the leg?

Answer 9

Anterior tibial artery

Question 10

What is nerve supply for the anterior compartment of the leg?

Answer 10

Deep peroneal nerve

Question 11

What is the blood supply for the lateral compartment of the leg?

Answer 11

Peroneal artery

Question 12

What is the nerve supply for the lateral compartment of the leg?

Answer 12

Superficial peroneal nerve

Question 13

What is the blood supply for the posterior compartment of the leg?

Answer 13

Posterior tibial artery

Question 14

What is the nerve supply for the posterior compartment of the leg?

Answer 14

Tibial nerve

Question 15

What are the names of the bones that make up the ankle?

Answer 15

Lateral malleolus (lower end of the fibula)
Medial malleolus (lower end of the tibia)

Question 16

What muscles travel inferior to the lateral malleolus?

Answer 16

Peroneus longus

Peroneus brevis

Question 17

What does peroneus tertius do?

Answer 17

Everts the foot

Question 18

What is the antagonist muscle to peroneus tertius muscle?

Answer 18

Tibialis anterior

Question 19

Where is the dorsalis pedis pulse found?

Answer 19

Between extensor hallucis longus and extensor digitorum and the 1st and 2nd metatarsals

Question 20

What artery supplies the doralis pedis artery?

Answer 20

Anterior tibial artery

Question 21

Damage to what nerve is associated with foot drop?

Answer 21

Common peroneal nerve

Question 22

What does the common peroneal nerve wrap around before entering the lateral compartment of the leg?

Answer 22

Neck of the fibula

Question 23

What do muscles of the anterior compartment do?

Answer 23

Dorsiflex the foot

Question 24

What do muscles of the posterior compartment do?

Answer 24

Plantarflex the foot

Question 25

What do muscles of the lateral compartment do?

Answer 25

Evert the foot

Question 26

What are the bones of the foot?

Answer 26

``` Calcaneus Talus Navicular Cuneiforms (medial, intermediate, lateral) Cuboid ```

Question 27

What are the superficial group of muscles (1st layer) of the plantar side of the foot? (3)

Answer 27

Flexor hallucis brevis Flexor digitorum brevis Flexor digiti minimi brevis

Question 28

What forms the 2nd layer (in) of the plantar side of the foot? (2)

Answer 28

Flexor hallucis longus tendon | 4 tendons of flexor digitorum longus

Question 29

What forms the 3rd layer in of the plantar side of the foot? (2)

Answer 29

Adductor hallucis | Adductor digiti minimi

Question 30

What forms the 4th layer of the plantar side of the foot? (2)

Answer 30

Dorsal interossei [DAB] Palmar interossei [PAD] (centre digit is 2nd toe)

Question 31

What nerve supplies sensory innervation to the plantar surface of the medial 3 1/2 digits to the sole of the foot?

Answer 31

Medial plantar nerve

Question 32

What nerve supplies sensory innervation to the plantar surface of the lateral 1 1/2 digits to the sole of the foot?

Answer 32

Lateral plantar nerve

Question 33

What nerve gives rise to the medial and lateral plantar nerves?

Answer 33

Tibial nerve

Question 34

What ligaments form the ankle joint? (4)

Answer 34

Deltoid ligament Anterior talufibular ligament Posterior talofibular ligament Fibulocalcaneal ligament