Foot

Question 1

where is the attachment of the superior extensor retinaculum?

Answer 1

anterior border of fib and tib

Question 2

Inferior band of extensor retinaculum is Y-shaped. Where are the three attachments?

Answer 2

medial malleolus
plantar aponeurosis medially
superolateral calcaneus laterally

Question 3

Which muscles does the fibular retinaculum hold down

Answer 3

Fibularis longus and brevis

Question 4

Which fibular retinaculum blends with the extensor retinaculum?

Answer 4

the inferior band, blending with the inferior extensor retinaculum

Question 5

Which pneumonic is used for the flexor retinaculum?

Answer 5

Tom, Dick and Very Naughty Harry

Question 6

What are the two key ligaments stabilising the arch of the foot?

Answer 6

spring and plantar ligaments

Question 7

What is a leg muscle that helps to maintain the arch of the foot?

Answer 7

fibularis longus

Question 8

What is the name of the intrinsic muscle on the dorsum of the foot?

Answer 8

extensor digitorum brevis

Question 9

What is the course of EDB?

Answer 9

arising laterally from the calcaneus, inserting into the tendons of the longus muscles on digits 1-4

Question 10

What shape is the extensor hood?

Answer 10

triangular, with apex pointing to the tip of the toe

Question 11

Which nerve gives all the motor supply for the dorsum of the foot?

Answer 11

deep fibular nerve

Question 12

What is the sensory supply done by deep fibular nerve at the foot dorsum?

Answer 12

first webspace between the first and second toes

Question 13

Describe the course of the dorsalis pedis artery

Answer 13

travels medially and give an arcuate brach that heads laterally. The main branch continues down the big toe, giving a perforating branch to the plantar surface

Question 14

What muscles can be found immediately deep to the plantar neurosis?

Answer 14

Abductors on either side (halluces and minimi)

Flexor digitorum brevis

Question 15

What are the long muscles lying immediately deep to flexor digitorum brevis

Answer 15

FDL, FHL

Question 16

Which muscle has lumbricals associated?

Answer 16

FDL

Question 17

Where does the FDB insert?

Answer 17

on either side of the base of middle phalanx

Question 18

T/F lumbricals arise on the lateral sides of the FDL

Answer 18

False, they arise on the medial side

Question 19

where does the quadratus plantae muscle insert?

Answer 19

the lateral border of FDL when it is breaking into four tendons

Question 20

What is the action of quadratus plantae?

Answer 20

optimising the function of FDL by straightening the line of FDL

Question 21

What muscles can be found on the 3rd layer of the sole of foot

Answer 21

short flexor for the big and little toe

adductor halluces

Question 22

What muscles can be found on the 4th layer of the sole of foot?

Answer 22

interosseous muscles between toes in the inter-metatarsal spaces

Question 23

Where is the reference plane for toe abduction/adduction?

Answer 23

the second digit

Question 24

What is the function of interosseous muscle?

Answer 24

adduction towards the second toe

Question 25

Which layers can the neurovascular plane be found?

Answer 25

between the first and second layers

Question 26

Which artery can be found in the plantar surface?

Answer 26

posterior tibial artery, splitting into medial and lateral branches

Question 27

Which branch of the posterior tibial artery forms the plantar arch?

Answer 27

lateral branch

Question 28

Which nerve supplies the plantar surface of foot?

Answer 28

tibial nerve, splitting into lateral and medial plantar nerves

Question 29

What does the lateral plantar nerve supply?

Answer 29

lateral 1.5 toes and all intrinsic muscles

Question 30

What does the medial plantar nerve supply?

Answer 30

medial 3.5 toes + minor motor component