Ankle Sprains & Instability

Ankle sprains are the most common musculoskeletal injury in the United States, with an estimated 25,000 occurring daily. While most acute sprains heal with rest and rehabilitation, up to 40% of patients develop chronic ankle instability (CAI) — a persistent feeling of “giving way” that increases re-sprain risk and long-term joint damage. Ankle bracing is one of the most evidence-backed interventions for both acute management and chronic instability prevention.

Common Causes of Ankle Sprains & Instability

• Lateral ligament tear from inversion injury (rolling the ankle outward)
• Repetitive ankle sprains weakening the ligamentous complex
• Proprioceptive deficits following initial injury
• High-impact sports and uneven terrain
• Ligamentous laxity or hypermobility
• Previous ankle fracture or surgery
• Improper footwear during athletic activity

Common Symptoms:

• Sharp pain on the outer (lateral) or inner (medial) ankle at time of injury
• Swelling, bruising, and warmth around the ankle joint
• Difficulty bearing weight immediately after injury
• Persistent feeling of ankle instability or “giving way”
• Reduced range of motion in the ankle
• Recurring sprains during everyday activities or sports
• Chronic aching with prolonged standing or walking

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How Are Ankle Sprains Treated?

• RICE protocol (Rest, Ice, Compression, Elevation) in the acute phase
• Ankle brace to limit inversion and provide external support
• Neuromuscular rehabilitation and balance (proprioception) training
• Anti-inflammatory medications
• Functional rehabilitation program returning to sport progressively
• Taping and kinesiology taping techniques
• Surgery for complete ligament tears or recalcitrant instability

How an Ankle Brace Helps:

Ankle braces limit excessive inversion and eversion while providing proprioceptive feedback to the surrounding musculature — a crucial benefit since many patients lose joint-position sense after a sprain. Research published in the American Journal of Sports Medicine consistently demonstrates that ankle bracing reduces re-sprain risk by up to 70% in athletes with a history of ankle instability. RCAI’s ankle supports range from elastic compression sleeves for mild sprains to rigid lace-up designs and stirrup braces for moderate-to-severe instability.

All products are available with a physician’s prescription. Contact your healthcare provider or orthotist to determine the right brace for your condition.