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Rad Posi 1 > Ankle > Flashcards

Ankle Flashcards

1
Q

Projections for the ankle

A

•AP Projection
•Lateral Projection Mediolateral
•Lateral Projection Lateromedial
•AP Oblique Projection (Medial Rotation)
•AP Oblique Projection (Lateral Rotation)
•Stress Method AP Projection
•Weight Bearing Method
AP Projection

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2
Q

AP Projection
Part Position

A
  • Supine
    Part Position:
  • Leg & foot vertical & rotated 5° medially (places malleoli equidistant)
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3
Q

AP Projection
Central Ray

A

Entrance: Point midway between malleoli Angulation: Perpendicular to ankle joint

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4
Q

Structures Shown

  • Ankle joint & tibiotalar joint
    space
A

AP Projection

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5
Q

Lateral Projection Mediolateral
Central Ray

A

Entrance: Medial malleolus
Angulation: Perpendicular to ankle joint

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6
Q

Structures Shown

  • True lateral projection of
    lower third of tibia & fibula, ankle joint & tarsals
  • 5th metatarsal base (identify
    Jones fx)
A

Lateral Projection Mediolateral

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7
Q

Lateral Projection Lateromedial
Central Ray

A

Entrance: 0.5 in. superior to lateral malleolus Angulation: Perpendicular to ankle joint

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8
Q
  • Lateral projection of lower third of tibia & fibula, ankle joint & tarsals
A

Lateral Projection Lateromedia

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9
Q

AP Oblique Projection (Medial Rotation)
Part Position

A
  • Supine
    Part Position:
  • Leg & foot rotated 45° medially;
    dorsiflex foot - to demonstrate bony structure
  • Leg & foot rotated 15-20° medially;
    intermalleolar line parallel to IR - to demonstrate mortise joint
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10
Q

AP Oblique Projection (Medial Rotation)
Central Ray

A

Entrance: Point midway between malleoli Angulation: Perpendicular to ankle joint

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11
Q

Distal ends of tibia, fibula &
talus; tibiofibular articulation; mortise joints

A

AP Oblique Projection (Medial Rotation)

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12
Q

AP Oblique Projection (Lateral Rotation)
Part Position

A
  • Supine
    Part Position:
  • Leg & foot rotated 45° laterally
  • dorsiflex foot
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13
Q

AP Oblique Projection (Lateral Rotation)
Central Ray

A

Entrance: Point midway between malleoli Angulation: Perpendicular to ankle joint

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14
Q
  • Superior aspect of calcaneus
A

AP Oblique Projection (Lateral Rotation)

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15
Q

Purpose: Useful in determining fractures

A

AP Oblique Projection (Lateral Rotation)

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16
Q

Stress Method AP Projection
Central Ray

A

Entrance: Ankle joint
Angulation: Perpendicular

17
Q

To evaluate the presence of
ligamentous tear & joint separation

A

Stress Method AP Projection

18
Q

Weight Bearing Method
AP Projection
Central Ray

A

Entrance: Midway at level of ankle joint Angulation: Horizontal

19
Q

Purpose: Identify ankle joint space narrowing; side-to-side comparison of joint

A

Weight Bearing Method
AP Projection

Rad Posi 1 (20 decks)

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