Ottawa Ankle Rules Sponsored Advertising placement Ottawa Ankle Rules Clinical Decision Tool Assesses whether ankle or foot radiography is indicated after an acute injury using the Ottawa Ankle Rules. Pain in the Malleolar Zone No 0 Yes +1 Bone Tenderness at Posterior Edge or Tip of Lateral Malleolus No 0 Yes +1 Bone Tenderness at Posterior Edge or Tip of Medial Malleolus No 0 Yes +1 Pain in the Midfoot Zone No 0 Yes +1 Bone Tenderness at Base of Fifth Metatarsal No 0 Yes +1 Bone Tenderness at Navicular No 0 Yes +1 Unable to Bear Weight for Four Steps Both Immediately and During Assessment No 0 Yes +1 Calculate Ottawa Ankle Rules Clear Calculator ☆ Log in to save Save this calculator to your MDPDA account. + Add to Toolkit Log in to save incomplete calculator progress and return later. Log in to save progress Clinical Decision Support Only MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress. Read our Clinical Disclaimer Sponsored Advertising placement