1.112 Ankle Joint

Question 1

What type of joint is the superior tibiofibular joint?

Answer 1

Synovial + ligaments

Question 2

What type is the Inferior tibiofibular joint?

Answer 2

syndesmoses - fibrous

Ligaments

Question 3

Which muscles are involved in dorsiflexion?

Answer 3

tibilais anterior *** - inverts
extensor hallucis longus
fibularis tertius - everts

Question 4

Which muscles are involved in plnatrflexion?

Answer 4

Gastrocnemeus***
Plantaris and soleus
Tibularis posterior - inverts
Fibularis longus

Question 5

Which muscles strengthen the knee?

Answer 5

Vastus medals and lateralis

Question 6

What innervates the dorsiflexor muscles?

Answer 6

Deep fibular nerve - L4 - S2

Anterior muscles

Question 7

What innervates the plantar flexor muscles?

Answer 7

Tibial nerve - L4-S3

Question 8

Where do the nerves of the leg originate from?

Answer 8

Fibular - posterior tibial - lateral compartment
Deep fibular - common - sciatic
Tibial - popliteal fossa

Question 9

Where does weight bearing of the ankle occur?

Answer 9

Between inferior facet of the tibia and superior surface of talus

Question 10

What stabilises the ankle joint?

Answer 10

Medial and laterally malleoli gripping body of talus

Question 11

What is injured in a sprained ankle?

Answer 11

Lateral ligaments

Question 12

What is Pott’s Fracture?

Answer 12

Bimallelolar fracture

Question 13

What is a trimallelolar lecture?

Answer 13

Malleloli and posterior tibia fractured

Question 14

What is tarsal tunnel syndrome?

Answer 14

Posterior tibial neuralgia - compression of tibial nerve

Question 15

What movements are involved in supination?

Answer 15

Adduction, inversion and plantar flexion

Question 16

What mivements are involved in pronation?

Answer 16

Abduction, eversion, and dorsiflexion

Question 17

Where does most eversion and inversion occur?

Answer 17

subtalar joint

Question 18

What are the plantar ligaments?

Answer 18

• Are Accessory ligaments
• Short plantar ligament 
	• (plantar calcaneocuboid)
	• Between calcaneus and cuboid
• Long plantar ligament
	• Between calcaneus and metatarsals 2-4 (via cuboid)
• Plantar calcaneonavicular “spring” ligament – (medial side)
	• Between sustentaculum tali of calcaneus and navicular
	• Strong but NOT elastic
• Bifurcate ligament – (lateral side)
	• Calcaneus – navicular (medial)
Calcaneus – cuboid (lateral)

Question 19

What are the dorsal nerves and arteries of the foot?

Answer 19

Nerves: Fibular (superficial and deep)
Arteries: Dorsalis pedis (Anterior Tibial)

Question 20

What are the plantar nerves and arteries of the foot?

Answer 20

Nerves: Tibial, sural, saphenous
Arteries: Plantar (Posterior Tibial)