W29/L7: Foot anatomy

Question 1

What 6 structures pass under the extensor retinaculum?

Answer 1

“Tall himalayas are never dull t”

*T*ibialis anterior (tendon)
Extensor *h*alicis longus
*A*nterior tibial artery
*Nerve* - deep fibular
Extendor *d*igitorum longus
Fibularis tertius?

Question 2

What & where is the superior band of the extensor retinaculum?

Answer 2

A thickening of the deep fascia, attached to the anterior borders of tibia & fibula

Question 3

Describe the inferior band of the extensor retinaculum

Answer 3

Y shaped extending from the medial malleolus, and medial side of the plantar aponeurosis to the superolateral calcaneus.

Question 4

What structures pass under the flexor retinaculum?

Answer 4

ant->post Tom, Dick and very naughty Harry

"T"ibialis posterior tendon
Flexor "d"igitoum longus tendon
"A"rtery (posterior tibial)
*V*eena comitantes
"N"erve (tibial)
Flexor "H"allucis longus tendon

Question 5

Which are the artery and nerve that pass through the tarsal tunnel?

Answer 5

Posterior tibial artery

Tibial nerve

Question 6

What are the 3 arches of the foot?

Answer 6

Medial longitudinal
Lateral longitudinal
Transverse

Question 7

At what landmark does the anterior tibial artery become the dorsalis pedis artery?

Answer 7

When is passes under the extenodr retinaculum

Question 8

At what landmark does the tibial nerve split & into what?

Answer 8

Just after the flexor retinaculum

Lateral & medial plantar nerves

Question 9

What is the motor supply of the lateral plantar nerve?

Answer 9

Almost all the intrinsic muscle of the sole of the foot

Question 10

What is the sensory supply of the lateral plantar nerve?

Answer 10

Lateral 1.5 digits

Question 11

What is the sensory supply of the medial plantar nerve?

Answer 11

Medial 3.5 digits

Question 12

Adducts/abduction of the toes centres around which toe?

Answer 12

The 2nd/index toe