Anatomy - Knee/ankle/foot

Question 1

What muscles insert at the Pes Anserinus?

What is their innervation?

Answer 1

Sartorius - Femoral Nerve
Gracilis - Obturator nerve
Semitendinosis - Sciatic Nerve

Question 2

What muscles flex the knee? (7)

Answer 2

Semimembranosis
Semitenonosis
Biceps femoris
Gastrocnemius
Gracilis
Sartorius
Popliteus

Question 3

What muscles extend the knee? (2)

Answer 3

Quadriceps femoris

Tensor fascia lata

Question 4

Popliteal Fossa contents? (5)

Answer 4

Tibial nerve, common fibular nerve, popliteal artery and vein, lesser saphenous vein.

Question 5

Borders of the popliteal fossa?

Answer 5

Semiteninosis and semimembranosis medially
Biceps femoris laterally
Gastrocnemius inferiorly

Question 6

The patella is a ____ bone

Answer 6

Sesamoid

Question 7

What tendon sheath is the patella within?

Answer 7

Quadriceps femoris tendon

Question 8

Functions of the muscles in the lateral compartment of the leg?

Answer 8

Eversion of the foot

Question 9

What nerves innervate the lateral compartment of the leg?

Answer 9

Superficial fibular nerve

peroneal nerve

Question 10

Anterior compartment of the leg does what functions? (3)

Answer 10

Dorsiflexion of the foot, inversion of the foot, extension of the toes

Question 11

What nerves innervate the anterior compartment of the leg?

Answer 11

Deep fibular and peroneal nerves

Question 12

4 muscles of the anterior compartment of the leg?

Answer 12

Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Fibularis tertius

Question 13

Functions of the posterior compartment of the leg?

Answer 13

Plantar flexion, inversion of the foot, flexion of the toes

Question 14

The posterior compartment of the leg in innervated by what nerve?

Answer 14

Tibial nerve

Question 15

Superficial muscles of the posterior compartment of the leg? (3)

Answer 15

Gastrocnemius
Plantaris
Soleus

Question 16

Deep muscles of the posterior compartment? (4)

Answer 16

Popliteus
Tibialis posterior
Flexor digtorum longus
Flexor hallucis longus

Question 17

What is the tibial plafond?

Answer 17

Ceiling of the ankle joint, the distal tibial articular surface

Question 18

Arteries of the foot?

Answer 18

Posterior tibial artery

Dorsalis pedis artery

Question 19

The ankle joint is most stable in what position?

Answer 19

Dorsiflexion

Question 20

The ankle is supported medially by what ligaments? (3)

Answer 20

Deltoid ligament, plantar calcaneonavicular ligament, medial talocalcaneal ligament.

Question 21

What are the 4 parts of the deltoid ligament?

Answer 21

Posterior tibiotalar part
tibiocalcaneal part
Tibionavicular part
Anterior tibiotalar part

Question 22

What structures pass through the tarsal tunnel?

Answer 22

Tibialis posterior, flexor digitorum longus, posterior tibial artery and vein, tibial nerve, extensor hallucis longus

Question 23

What ligaments support the ankle laterally?

Answer 23

Posterior talofibular ligament
Calcaneofibular ligament
Talofibular ligament
Anterior talofibular ligament

Question 24

Fractures of what bone of the foot are prone to AVN?

Answer 24

talus

Question 25

What are the two types of bunions?

Answer 25

Hallux valgus

Metatarsis Primus varus deformity