Foot and ankle 5

Question 1

What tendon and accompanied action may cause an avulsion fracture of the 5th metatarsal base

Answer 1

Peroneus Brevis with PB contraction eversion with PF in inversion

Question 2

What lateral tendon can sublux and where?

Answer 2

PB over the lateral mallelous

Question 3

Insertion and origin of Peroneus Tertius

Answer 3

Origin andterior surface of the fibula and insertion at the 5th Metatarsal base. EDL and PT tenosyovitis “halo sign” of fluid surronding the EDL

Question 4

Peroneus Quatus: What is it and what can it do?

Answer 4

An accessory muscle. Could crowd the retro malleolar groove, predisposing to PB tendon to attrition and tear.

Question 5

Tarsal Tunnel: what does Tom, Dick and Very, Nervous Harry stand for?

Answer 5

1. TB tendon, 2. FDL tendon and 3. Tibial veins and artery and Tibial Nerve and FHL tendon

Question 6

What are the branches of the Tibial nerve into the foot

Answer 6

1. Medial Calcaneal nerve 2. Medial plantar nerve, 3. Lateral plantar nerve

Question 7

What is Baxter’s nerve

Answer 7

Heel pain is entrapment of first branch of the lateral plantar nerve

Question 8

If a patient presents with numbness of the heel, what do you image?

Answer 8

tarsal tunnel and tibial nerves

Question 9

Review of posterior to the medial malleolus image

Answer 9

pic of medial malleolus

Question 10

Image of TD and very nervous Harry

Answer 10

see pic

Question 11

Ganglion Cyst compressing Tibial nerve and note the PT tendon can becom tendinotic causing tibial nerve compression

Answer 11

see pic

Question 12

FHL is near what triangle

Answer 12

Kagers triangle

Question 13

What does the word aponeuroses mean?

Answer 13

becoming tendon

Question 14

What is the Achilles tendon made of:

Answer 14

fusion of the gastrocnemicus aponeurosis and the tendon of the underlying soleus

Question 15

Origin and insertion of the plantaris tendon, what are its actions? And what can it mimic?

Answer 15

see pic

Question 16

imaging the plantaris tendon

Answer 16

see pic

Question 17

What is some of the anatomy deep to the Achilles tendon at its insertion?

Answer 17

Retro calcaneal bursa, Kagers fat pad

Question 18

image of the retro cal busa interface

Answer 18

see pic

Question 19

Name the 3 muscles, starting from the tibia to the ACH tendon

Answer 19

Tib post, FHL and soleus

Question 20

What is the normal cross sectional thickness of the ACH

Answer 20

5.5-6.5 mm

Question 21

What is the dx with a pump bump

Answer 21

retro calcaneal burasl effusion–>teninopathy and calcaneal bone callous

Question 22

Image of Haglunds deformity

Answer 22

see pic

Question 23

Plantar Fascia on many fascia bands and which one is problematic with plantar fasciitis

Answer 23

3 bands and medial is problematic

Question 24

name the 4 plantar foot muscles and where they are located

Answer 24

QP-deep, superficial: FDB, ADM and AH

Question 25

What is the nomral measurment for the plant fascia?

Answer 25

3-4 mm

Question 26

What is useful to clinically perform the imaging plantar inter-digital spaces

Answer 26

dorsal compression is useful to detect neuroma and fluid ocllections

Question 27

Image: identifying mortons neuromas

Answer 27

image

Question 28

Where is morton neuromas most commonly seen

Answer 28

3rd interspace (between 3 and 4th toes

Question 29

What clinicall is highly suggestive of a Liz Franc Liament midfoot disruption?

Answer 29

Bruising on the bottom of the foot

Question 30

What is the disruption in a LisFranc problem

Answer 30

It is a LisFranc Ligament, mod-foot problem. The ligament is an attachment to the plantar surface of the medial cuneiform that run distal and lateral to attach to the base of the second metatarsal

Question 31

image of soft tissue gas, what is indictive of?

Answer 31

infection

Question 32

Image of plantar fibroma and lipoma

Answer 32

image

Question 33

image of osteomyelitis/abcess

Answer 33

image

Question 34

image of ganglion cyst and schwannoma

Answer 34

image

Question 35

Foreign body: the difference between glass and splinter

Answer 35

Glass: posterior shadowing and reverberation artifact, splinter, posterior shadowing with no reverberation artifact.