Tools & calculators

Ottawa ankle rules

X-ray decision rule for acute ankle/midfoot injuries.

Last reviewed 2026-01-06|msk | imaging | trauma

Inputs

Pain zone

Bone tenderness at posterior edge/tip of lateral malleolus

Bone tenderness at posterior edge/tip of medial malleolus

Bone tenderness at base of 5th metatarsal

Bone tenderness at navicular

Unable to bear weight for 4 steps

Enter values to see the result.

References