Foot Anatomy

Question 1

Foot extensor retinaculums?

Answer 1

1. superior band

2. inferior Y-shaped band

Question 2

Lateral Foot fibular retinaculums?

Answer 2

Superior fibular

inferior fibular

Question 3

what’s in the tarsal tunnel?

Answer 3

TDAVNH
Tib Post
FDL
Post Tib Artery
Tib vein
Tibial nerve
FHL

Question 4

how many arches in foot?

Answer 4

2 longitudinal (medial and lateral)
1 transverse

Question 5

key ligament arches?

Answer 5

Spring

plantar

Question 6

intrinsic muscle of dorsum of foot?

Answer 6

extensor digitorum brevis

Question 7

extensor digitorum brevis joins?

Answer 7

lateral side of EDL tendons

Question 8

extensor hood made up of these tendons?

Answer 8

EDL, EHL, EDB

Question 9

deep fibular nerve supplies?

Answer 9

extensor digitorum brevis, then heads towards first web space sensory

Question 10

dorsalis pedis artery continuation of?

Answer 10

anterior tibial

Question 11

dorsalis pedis gives off?

Answer 11

arcuate artery heads laterally, metatarsal and digital, then gives off deep plantar to complete the deep plantar arch

Question 12

4 layers of sole of foot length?

Answer 12

short long short short

Question 13

vertical septa in the plantar aponeurosis divides foot into?

Answer 13

medial
deep
lateral

Question 14

Layer 1 short muscles of sole of foot include?

Answer 14

1. abductors for Hallux and digitiminimi

2. flexor digitorum brevis

Question 15

Layer 2 long muscles of sole of foot include?

Answer 15

Tib post
FDL
FHL
flexor accessorius/quadratus quantae

Question 16

which crosses what? FHL vs. FDL sole of foot?

Answer 16

FDL over FHL

Question 17

which lumbricals uni vs. bi?

Answer 17

1st: unicipital

all others: bicipital

Question 18

purpose of flexor accessorius?

Answer 18

optimize pull of FDL in all ankle positions

Question 19

Layer 3 short muscles of sole of foot?

Answer 19

short flexors and abductors for hallux and digitiminimi

Question 20

Layer 4 interossei about which toe?

Answer 20

2nd toe

Question 21

how many PAD? vs. DAB?

Answer 21

3 PAD

4 DAB

Question 22

posterior tibial artery does what in sole of foot?

Answer 22

splits into medial.

lateral makes plantar arch, competed the arch by attaching to termination of dorsalis pedis from dorsum of foot

Question 23

Tibial nerve does what in sole of foot?

Answer 23

splits into medial plantar ( medial 3 1/2 toes) 
lateral plantar (lateral 1 1/2 toes)

Question 24

medial of lateral plantar nerve of tibial nerve supplies all the intrinsic muscles of foot?

Answer 24

lateral plantar nerves