Chronic Ankle Instability: Why do I keep hurting my ankle?

There is no specific consensus on chronic ankle instability. However, there is a pattern that our physical therapists in Glendale, CA have noticed that is correlated with the literature. Patients who are diagnosed with chronic ankle instability have a history of ankle sprains, report that it feels like their ankle “gives away”, and report pain with normal everyday tasks like walking, standing, and competing in sports.

About 20% of ankle sprains develop into chronic ankle instability which is equivalent to 2-7 individuals every 1000. Overall, they contribute to approximately 10-30 percent of all sports injuries. Our Doctors of Physical Therapy can use specific tests like the star excursion balance test (SEBT) and the Cumberland Ankle Instability tool to determine your likelihood of developing long term ankle instability.

Treatment for ankle pain should focus on short foot exercises and proprioceptive training. This can include things like practicing making an arch, discussing custom orthotics, and balance training on bosu balls.

If you think you may suffer from chronic ankle instability, feel free to contact our office in Glendale, CA for a physical therapy evaluation today!


1.Richie Jr DH. Functional instability of the ankle and the role of neuromuscular control: a comprehensive review. The journal of foot and ankle surgery. 2001;40(4):240-251.

2.Al-Mohrej OA, Al-Kenani NS. Chronic ankle instability: Current perspectives. Avicenna journal of medicine. 2016;6(04):103-108.

 3. Waterman BR, Owens BD, Davey S, Zacchilli MA, Belmont Jr PJ. The epidemiology of ankle sprains in the United States. Jbjs. 2010;92(13):2279-2284.

 4.Plisky PJ, Gorman PP, Butler RJ, Kiesel KB, Underwood FB, Elkins B. The reliability of an instrumented device for measuring components of the star excursion balance test. North American journal of sports physical therapy: NAJSPT. 2009;4(2):92.

 5.Doherty C, Bleakley C, Hertel J, et al. Inter-joint coordination strategies during unilateral stance 6-months following first-time lateral ankle sprain. Clinical Biomechanics. 2015;30(2):129-135.

6. Lee E, Cho J, Lee S. Short-foot exercise promotes quantitative somatosensory function in ankle instability: a randomized controlled trial. Medical science monitor: international medical journal of experimental and clinical research. 2019;25:618.

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