Ankle - Stress Projections
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Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Ankle - Stress Projections (Forced Inversion + Forced Eversion) |
Area Covered | Ankle - distal third of the tibia and fibula, proximal half of the metatarsals, lateral and medial malleoli, talus |
Pathology shown | Ankle joint for evaluation of joint separation and ligament tear or rupture under inversion and eversion stresses. |
Radiographic Anatomy | Ankle Radiographic Anatomy |
IR Size & Orientation | 24cm x 30cm Landscape, divided in two usually fits two ankle projections, use lead masking for unused area |
Film / Screen Combination | Detail (CR and DR as recommended by manufacturer) |
Bucky / Grid | No |
Filter | No |
Exposure | 60 kVp 3.2 mAs |
FFD / SID | 100cm |
Central Ray | CR directed to the midpoint between the malleoli, in line with the medial malleolus (to show the tibiotalar joint space open) Perpendicular to the IR |
Collimation | To lateral skin margins and to include the distal third of the tibia and fibula and proximal half of the metatarsals |
Markers | Distal and lateral Marker orientation AP |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | Not applicable |
Positioning |
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Critique | Positioning
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Special Notes |