Foot/ankle Flashcards

1
Q

What are the two compound joint lines of the foot?

A
  1. Lisfranc line
  2. Transverse tarsal or Chopart line
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2
Q

What joints comprise the chopart line?

A
  1. Talonavicular joint
  2. Calcaneocuboid joint
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3
Q

What muscles lie in the deep layer of the plantar intrinsic ?

A
  1. Abductor Hallucis
  2. FDB
  3. Abductor Digiti Minimi
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4
Q

How much 1st MTP extension is required for ray to day ?

A

60 degrees

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5
Q

How much 1st MTP extension is required for en pointe dancing ?

A

90 degrees

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6
Q

PF requirements ?

A

150 degrees

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7
Q

How much DF ROM IS required for day to day

A

40 degrees

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8
Q

Does the foot pronate or supinate during propulsion?

A

Supinate

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9
Q

Does the foot pronate or supinate during stance phase/shock absorption?

A

Pronate

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10
Q

Where does to scrunching place a lot more pressure and what sort injuries might be associated with it?

A

MT heads:
Plantar plate injuries
MTP pain
Neuroma

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11
Q

In gait analysis, what is one key thing you’re looking for in heel strike?

A

Does the foot evert

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12
Q

In gait analysis, what is one key thing you’re looking for in mid stance?

A

Does it pronate

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13
Q

In gait analysis, what is one key thing you’re looking for in late stance?

A

Is the rigid lever being created

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14
Q

In gait analysis, what are two key things you’re looking for in push off?

A

1st toe ext
Foot supination

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15
Q

Twist test: when turning to the right what should happen at the right and left foot?

A

Left foot - pronation

Right foot - supination

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16
Q

What paper gives overview to the function of the foot arch, windlass mechanism and flat vs rigid feet?

A

Behling, 2023

17
Q

Whole foot pronation consists of what three movements ?

A
  1. Rear foot eversion
  2. Forefoot abduction
  3. Forefoot dorsiflexion
18
Q

Nielsen, 2013 paper gives support to what?

A

That foot pronation is not consistently linked to injuries

19
Q

What nerve may be injured with a lateral Mal. Fracture?

A

Superficial peroneal nerve

20
Q

True or false: the PIM contribute greatly to resist long arch deformation during weight acceptance ?

A

False

21
Q

When do the PIM become important in the gait cycle and how do they contribute?

What paper supports this notion

A

They are important in stiffening the forefoot during late stance just prior to push off

As found by Farris 2019

22
Q

Inhibition of the PIM does what to the foot during

A

Decline in power output during push-off

23
Q

What two PIM are most important for the active contribution to the LA

A

FDB
AH

24
Q

What role do the PIM play in relation to the MTP joint and gait

A

They actively stiffen to 1st MTP in late stance - this assists in propulsive power during push off

25
Q

What effect does barefoot running have on foot strike

A

Generally a shift towards mid and forefoot strike is more likely

26
Q

A Baxter neuropathy is compression or which nerve?

A

ICN

27
Q

What muscle does the ICN innervate?

A

Abductor digiti minimi

28
Q

What nerves are involved in Morton’s neuroma ?

A

Common digital nerves - usually between the third web space

29
Q

What is Tarsal Tunnel Syndrome?

A

Entrapment of the Tibial nerve around the medial flexor retinaculum

30
Q

Tarsal Tunnel syndrome may refer symptoms where?

A

The first three toes and base of foot