Ankle Strengthening Exercises to Prevent Sprains and Improve Stability

Why Ankle Strengthening Prevents Sprains

Ankle sprains are the most common sports injury — and one of the most preventable. Research consistently demonstrates that targeted ankle strengthening and proprioception training reduces sprain incidence by 30 to 50 percent in at-risk athletes. The ankle relies on two protective systems against inversion injury: passive stability from the ligaments, and active stability from the muscles and tendons that fire to protect the joint when the foot contacts an uneven surface. Strengthening these active stabilizers — particularly the peroneal muscles — and training the neuromuscular reflexes that activate them in time to prevent injury are the foundations of effective sprain prevention.

Peroneal Muscle Strengthening

Resistance Band Eversion

Sitting with the leg extended, loop a resistance band around the ball of the foot and anchor it to a fixed point laterally. Starting with the foot in slight inversion, actively evert the foot against the band resistance — turning the sole outward — through the full available range of motion. Hold the end position for two seconds, then return slowly. Perform three sets of 15 to 20 repetitions on each side. The peroneus longus and brevis are the primary ankle evertors and the muscles most responsible for resisting inversion sprains — this exercise directly strengthens them.

Side-Lying Hip and Ankle Eversion

Side-lying with the top leg elevated, perform combined hip abduction and ankle eversion — lifting the top leg with the foot turned outward. This integrates peroneal function with the proximal hip stabilizers that control lower extremity alignment during dynamic activity. Three sets of fifteen repetitions each side.

Proprioception and Balance Training

Single-Leg Stance Progression

Single-leg balance training is the most evidence-supported intervention for ankle sprain prevention. Begin standing on one leg on a firm surface with eyes open — target 30 seconds of stable balance without touching the other foot down. Progress to single-leg balance with eyes closed (removes visual compensation), then on a foam pad or balance disc (increases surface instability demand), and finally performing upper extremity tasks while balancing on one leg (dual-task balance training). Three sets of 30-second holds on each leg, progressing difficulty each week.

Wobble Board Training

A wobble board or BOSU ball creates an unstable surface that challenges ankle stabilizers throughout their full range of function. Begin with both feet on the wobble board, controlling the tilt in all directions. Progress to single-leg wobble board stance. Advanced athletes can perform wobble board balancing while catching and throwing a ball or performing sport-specific movements. Ten to fifteen minutes of wobble board training three times per week significantly improves ankle proprioception.

Calf and Achilles Strengthening

Eccentric Heel Drops

Standing on a step with both feet, rise on the toes (bilateral). Transfer weight to one foot and slowly lower the heel below step level over three to four seconds. The eccentric (lowering) phase strengthens the gastrocnemius and Achilles tendon while also improving ankle dorsiflexion range. Three sets of fifteen to twenty repetitions on each side. This exercise also addresses Achilles tendinopathy if present.

Single-Leg Calf Raises

Progressing from bilateral to single-leg calf raises substantially increases the training demand on each ankle stabilizer. Perform single-leg calf raises on a flat surface, then progress to a step for increased range of motion. Three sets of 10 to 15 repetitions per side. Athletes who can perform 25 or more single-leg calf raises on each side have demonstrated calf strength sufficient to protect the Achilles tendon and ankle during most athletic demands.

Sport-Specific Integration

After achieving adequate single-leg balance and strength, integrate ankle stability training into sport-specific movement patterns — lateral shuffles, cone drills, jump-landing mechanics, and reactive cutting exercises. Proprioceptive training under conditions that simulate sport demands — fatigue, distraction, uneven surfaces — most effectively transfers to injury prevention during competition.

When to Seek Evaluation

Patients with a history of recurrent ankle sprains, chronic ankle instability, or giving-way episodes should receive formal evaluation before relying solely on exercise for injury prevention. Chronic ankle instability often involves ligamentous laxity that exercise alone cannot fully compensate for — surgical repair may be needed in addition to strengthening. Contact Balance Foot & Ankle to evaluate your ankle stability and receive a personalized prevention program.

Your Board-Certified Podiatrists

Dr. Tom Biernacki, DPM

Board-Certified · FACFAS

Dr. Carl Jay, DPM

Board-Certified Podiatrist

Dr. Daria Gutkin, DPM

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Dr. Tom Biernacki, DPM

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Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.