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Justin class > Sport > Flashcards

Sport Flashcards

1
Q

Arcuate sign

A

Avulsion of LCL (head of fibular), fracture will be horizontal
*Segond fracture is vertical and undisplaced

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2
Q

ALL attachment

A

Lateral femoral condyle to the midpoint of Gerdy tubercle and fibular head

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3
Q

Botch box bump

A

Healed Segond fracture

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4
Q

Bone bruises in ACL

A

Middle third of femur condyle and posterior tibia plateau
> Cause prolonged clinical recovery
> Slower return to function
> High-risk OA
> Effusion

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5
Q

AM/PL bundles

A

In knee extension AM in front, flexion >90 AM cross and behind PL

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6
Q

ACL is not isometric

A

(different during fix point, flex and extend, roll back)
Reconstruction is isometric to prevent failure

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7
Q

Saphenous nerve injury

A

Medial to lateral
- Anterolateral aspect of tibia numbness if injure during hamstring graft harvest

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8
Q

The diameter of graft

A

At least 8mm
<7.5 =14%

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9
Q

Allograft advantages

A
  • Superior cosmesis,
  • Large quantity (suitable for multi-ligaments),
  • Shorter operative time
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10
Q

Allograft disadvantages

A

5D
>Dollar (expensive)
>Disease transmission
>Delay immunogenic reaction
>Disturb mechanical properties
>Delay incorporation

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11
Q

Bone patella tendon bone

A

Taken from the medial third

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12
Q

The first reason for ACL reconstruction failure

A

Tunnel misplacement

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13
Q

Bracing in ACL

A

Does not offer long-term benefit

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14
Q

Acceptable ROM before operation

A

0-120 (AAOS)

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15
Q

ALL reconstruction

A

For revision ACL, high-demand athlete

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16
Q

Pivot shift test

A
  • Sliding motion at 30-45 degrees due to iliotibial band (relocation of the tibia)
  • Grade IKDC :
    1 Gliding
    2 Clunking
    3 Lock subluxation
17
Q

Meniscus tear type

A

Bucket handle, vertical, longitudinal, radial

18
Q

Meniscus Repairable vs Irreparable

A

> Repairable: Bucket handle, longitudinal, root
Irrepairable: Radial, complex, degenerative

19
Q

Meniscus blood supply

A
  • Perimeniscal capillary plexus > middle geniculate, inferior geniculate, and inferolateral geniculate
20
Q

Meniscus tear size

A
  • 1cm is a stable tear
  • 4cm is a high failure rate
21
Q

Meniscus repair

A
  • No total meniscectomy because of the high risk of OA
  • Root tear is irreparable because it is important to dissipate the load and convert to hook stress
  • Repair with transtibial reconstruction or anchor suture
22
Q

Meniscus repair technique

A
  • Inside out (Gold standard) = Versatile, Learning curve not steep, Direct visualization
  • All inside
  • Outside in
23
Q

Approach to locked knee

A
  1. Gentle manipulation/rotation
  2. If can reduce, put the backslab in 30 degrees flexion, do mri within 1 week, then schedule a scope within 1 week.
  3. If can’t reduce, put the backslab in current position, urgent mri, scope next day

Justin class (3 decks)

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