Orthopedic Flashcards

1
Q

What are the torsional conditions covered in this course?

A

In and Out toeing
Hip rotation
Tibial Torsion
Foot alignment

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2
Q

What are the angular conditions covered in this course?

A

Knee conditions- geny

Foot conditions- Equino-calcaneal

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3
Q

What is the general definition of in and out toeing?

A

Rotation variations within 2 standard deviations of normal alignment and range of motion
Torsional deformaties fall outside the range

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4
Q

What is foot progression angle?

A

Angle between longitudinal axis of foot and line of gait
Negative for in toeing positive for out toeing
Variable in infancy

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5
Q

What is the normal range for foot progression angle?

A

-3 to +20 in childhood

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6
Q

What is hip IR and ER up to age 2?

What is hip IR and ER over age 2?

A

120 degrees up to age

95-110 over age 2

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7
Q

What is version of the femur?

A

Angular difference between transverse axis of condyles and femoral neck

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8
Q

What value is given for internal tibial torsion?

A

Negative value

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9
Q

What value is given for external tibial torsion?

A

Positive value

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10
Q

What type of tibial torsion is normal in infants?

A

Internal tibial torsion

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11
Q

When would you expect to see External tibial torsion (ETT)?

A

First 6 months after walking

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12
Q

What is normal tibial torsion at birth?

A

-15 (range -30 to -10)

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13
Q

What is normal tibial torsion at age 3?

A

+5 (range -10 to +20)

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14
Q

What is normal tibial torsion mid childhood to skeletal maturity?

A

+10 (range -5 to +20)

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15
Q

How is mild, moderate, and severe metatarsus adductus treated?

A

Mild- Resolve on its own
Mod- Stretching corrective shoes
Severe- Manipulation, serial casting and corrective shoes

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16
Q

FPA is the summation of what three segments for in toeing?

A

Femoral anteversion
ITT
metatarsus adductus

17
Q

FPA is the summation of what three segments for out-toeing?

A

ER contracture of the hip
ETT
Calcaneovalgus

18
Q

What age is genu valgum normal?

A

Between 2-4 years old

19
Q

What age is genu varum normal?

A

Normal in newborns up to 4

20
Q

What is a surgical treatment for severe cases of genu varum and valgum?

A

Stapling one side of epiphyseal growth plate or femoral osteotomy

21
Q

Development of the arch occurs between what ages?

A

2-6 years old

22
Q

When does a physiological flat foot require no treatment?

A

Medial longitudinal arch absent non wt bearing and tip toes is present.

23
Q

What is the position of limbs and spine in a windswept deformity?

A

ABD and ER of one hip, with opposite hip ADD and IR

24
Q

For the mid tarsal joint give the nomenclature for the deformity:

Adduction
Abduction
Flexion
Extension
Pronation 
Supination
A
Adductus
Abductus
Cavus deformity 
Rocker-Bottom
Pronation deformity
Supination deformity
25
What is DDH?
Developmental dislocation hip
26
What are factors predisposing to DDH?
Breech presentaiton Ligamentous laxity Female to male 6:1
27
What are some factors that promote a healthy hip joint?
Normal muscle balance Concentric femoral head Deep and concentric acetabulum
28
What is the Barlow sign?
flex and adduct the leg. Hip will gently be pushed posteriorly -- toward the back -- along the line of the femur shaft. Positive test= femoral head slip out of the acetabulum as the hip dislocates out of the socket.
29
What is ortaloni sign?
Abducts, or moves the infant's legs apart, into the frog-leg position. If hip dislocated, the femoral head slides into the hip socket during this movement. Palpable and audible clunk as the head slips back into the socket.
30
What kind of curve is typically observed in a 6 month old?
More lumbah curve
31
What is Talipes equino varus?
Clubfoot | Equino= Plantarflexion; Varus= Inversion
32
A child with a right scoliosis presents with a windswept deformity. Name the position of each leg.
Left leg ABD/ER | Right leg ADD/IR
33
For the ankle joint give the nomenclature for the deformity of each of the following motions: Flexion Extension
``` Flexion= Equinus Ext= Calcaneus ```
34
For the subtalar joint give the nomenclature for the deformity of each of the following motions: Inv Ever
``` Inv= Heel Varus Ever= Heel Valgus ```