Foot and ankle 5 Flashcards

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1
Q

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

A

Peroneus Brevis with PB contraction eversion with PF in inversion

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2
Q

What lateral tendon can sublux and where?

A

PB over the lateral mallelous

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3
Q

Insertion and origin of Peroneus Tertius

A

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

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4
Q

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

A

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

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5
Q

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

A
  1. TB tendon, 2. FDL tendon and 3. Tibial veins and artery and Tibial Nerve and FHL tendon
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6
Q

What are the branches of the Tibial nerve into the foot

A
  1. Medial Calcaneal nerve 2. Medial plantar nerve, 3. Lateral plantar nerve
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7
Q

What is Baxter’s nerve

A

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

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8
Q

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

A

tarsal tunnel and tibial nerves

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9
Q

Review of posterior to the medial malleolus image

A

pic of medial malleolus

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10
Q

Image of TD and very nervous Harry

A

see pic

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11
Q

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

A

see pic

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12
Q

FHL is near what triangle

A

Kagers triangle

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13
Q

What does the word aponeuroses mean?

A

becoming tendon

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14
Q

What is the Achilles tendon made of:

A

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

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15
Q

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

A

see pic

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16
Q

imaging the plantaris tendon

A

see pic

17
Q

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

A

Retro calcaneal bursa, Kagers fat pad

18
Q

image of the retro cal busa interface

A

see pic

19
Q

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

A

Tib post, FHL and soleus

20
Q

What is the normal cross sectional thickness of the ACH

A

5.5-6.5 mm

21
Q

What is the dx with a pump bump

A

retro calcaneal burasl effusion–>teninopathy and calcaneal bone callous

22
Q

Image of Haglunds deformity

A

see pic

23
Q

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

A

3 bands and medial is problematic

24
Q

name the 4 plantar foot muscles and where they are located

A

QP-deep, superficial: FDB, ADM and AH

25
Q

What is the nomral measurment for the plant fascia?

A

3-4 mm

26
Q

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

A

dorsal compression is useful to detect neuroma and fluid ocllections

27
Q

Image: identifying mortons neuromas

A

image

28
Q

Where is morton neuromas most commonly seen

A

3rd interspace (between 3 and 4th toes

29
Q

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

A

Bruising on the bottom of the foot

30
Q

What is the disruption in a LisFranc problem

A

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

31
Q

image of soft tissue gas, what is indictive of?

A

infection

32
Q

Image of plantar fibroma and lipoma

A

image

33
Q

image of osteomyelitis/abcess

A

image

34
Q

image of ganglion cyst and schwannoma

A

image

35
Q

Foreign body: the difference between glass and splinter

A

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