Ankle joint

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In anatomy, the ankle joint is the "joint that is formed by the inferior articular and malleolar articular surfaces of the tibia; the malleolar articular surface of the fibula; and the medial malleolar, lateral malleolar, and superior surfaces of the talus"[1]

Injuries

The Ottawa ankle rules, a clinical prediction rule, can indicate a possible fracture and the need for x-rays (see image):[2][3]

Ankle x-rays may be needed

  • "...if there is pain in the malleolar zone and one or more of the following:
    • "Bone tenderness at posterior edge (distal 6 cm) or tip of lateral malleolus"
    • "Bone tenderness at posterior edge (distal 6 cm) or tip of medial malleolus"
    • "Inability to bear weight both immediately after the injury and in the emergency department"

Foot x-rays may be needed

  • "...if there is pain in the midfoot zone and one or more of the following:
    • "Bone tenderness at base of fifth metatarsal"
    • "Bone tenderness at navicular bone"
    • "Inability to bear weight both immediately after the injury and in the emergency department"

References