• Wasatch Foot & Ankle

What is chronic ankle instability (CAI)?


Weak and unstable ankles are subject to suddenly rolling, causing the band of ligaments that stabilizes the outside of your ankle to stretch or even tear. Incomplete healing after an ankle injury may result in continued deterioration of the ligaments and a cycle of chronic instability and sprains.



The Cycle of Chronic Ankle Instability


  • Ligaments are like rubber bands: when repeatedly stretched, they become weaker

  • A stretched ligament loses strength and continues to loosen with each ankle roll

  • The result is CAI and a continued cycle of ankle sprains

  • Over time, repeated injury to the ankle ligaments can lead to degenerative changes and possibly osteoarthritis


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