Blog 3: Ankle Sprains: Why Most Athletes Never Recover
Part 3: Rehabilitation Done Right: How to Actually Fix an Ankle Sprain
Welcome back to Ankle Sprains and Chronic Instability. Part 1 explained what a lateral ankle sprain actually is, what structures are involved beyond the ligaments, and why most athletes never fully recover. Part 2 went deep on chronic instability, the proprioceptive deficit that drives it, and what happens to the rest of the body when the ankle is not functioning properly. Part 3 is where it becomes practical. What does proper ankle rehabilitation actually look like?
The short answer is that it looks very different from what most athletes do.
The Problem With How Most Ankle Sprains Are Managed
The typical management of a lateral ankle sprain in a sporting context follows a predictable and inadequate pattern. The ankle swells. The athlete rests, ices, and compresses. The swelling reduces. The pain settles. The athlete returns to sport. Within weeks or months, the ankle rolls again.
What this approach misses is that pain resolution and tissue healing are not the same as functional recovery. The ligaments may have healed adequately. The proprioceptive mechanoreceptors within them may not have. The peroneals may still be inhibited and slow to respond. The single leg stability on the injured side may be measurably worse than the uninjured side. All of these deficits are present with zero symptoms during daily activity. They only reveal themselves when the ankle is challenged at sport speed and intensity.
Proper rehabilitation addresses all of these deficits sequentially and progresses through distinct phases before return to sport is appropriate.
Phase 1: Acute Management and Early Loading
The acute phase begins immediately after the injury and typically lasts two to five days depending on severity. The goals of this phase are to manage swelling, protect the injured structures from further damage, and maintain as much movement and muscle activation as possible without provoking the injury.
Swelling Management:
Compression, elevation, and ice in the first 24 to 48 hours reduce the acute inflammatory response and limit the extent of swelling. Significant swelling itself limits rehabilitation by reducing proprioceptive input and restricting range of motion.
Early Range of Motion:
Gentle ankle alphabet exercises and active plantarflexion and dorsiflexion within a pain free range begin restoring mobility and activating the surrounding musculature without stressing the healing ligaments.
Weight Bearing as Tolerated:
Research consistently supports early weight bearing in lateral ankle sprains when tolerated. Complete offloading prolongs recovery and delays the neuromuscular stimulation that drives proprioceptive recovery. Using a compression bandage or ankle brace for support while maintaining as much normal weight bearing as the pain allows is the current standard of care.
Peroneal Activation:
Early gentle peroneal activation exercises, including resisted eversion with a band, begin addressing the peroneal inhibition that develops almost immediately after a lateral sprain.
Phase 2: Strength and Proprioception Restoration
Phase 2 begins when the acute swelling has significantly reduced and the athlete can tolerate full weight bearing with minimal pain, typically five to fourteen days post injury for Grade 1 and 2 sprains. This is the most important phase of rehabilitation and the one most consistently skipped.
Peroneal Strengthening:
Progressive resistance work for the peroneal muscles, beginning with seated resisted eversion and progressing to standing single leg exercises that challenge the peroneals through a functional range. The peroneals need to be both strong and fast, so rehabilitation should progress from slow controlled exercises to faster more reactive challenges.
Calf and Ankle Complex Strengthening:
Calf raises progressing from double leg to single leg, eccentric calf loading off a step, and tibialis anterior strengthening address the full ankle complex rather than just the lateral structures.
Balance and Proprioception Training:
Single leg standing progressions beginning on a stable surface and progressing to unstable surfaces such as a balance board, foam pad, or BOSU. The goal is to restore the joint position sense and reactive balance that the proprioceptive deficit has impaired. This cannot be skipped. It is the single most important component of preventing chronic instability.
Mobility Restoration:
Ensuring full ankle dorsiflexion is restored before return to sport. Restricted dorsiflexion after an ankle sprain is extremely common and contributes to altered lower limb mechanics during running and cutting movements. Joint mobilization by a clinician is often the most effective way to restore this.
Phase 3: Functional and Sport Specific Rehabilitation
Phase 3 begins when the athlete has restored adequate strength and proprioception on a stable surface and progresses toward the specific demands of their sport. This phase bridges the gap between clinical rehabilitation and return to training.
Plyometric Progression:
Two leg landing, progressing to single leg landing, progressing to landing with direction change. Each progression should be pain free and mechanically sound before advancing.
Change of Direction Drills:
Cutting movements, lateral shuffles, and sport specific agility patterns at reduced intensity progressing to full sport speed as confidence and stability improve.
Running Progression:
Straight line jogging progressing to running with turns, progressing to full sport speed running with cutting. Pain and instability at any stage indicates the athlete is not ready to progress.
Sport Specific Loading:
Returning to the specific demands of the athlete's sport in a controlled training environment before return to competition. A soccer player needs to tolerate cutting and pivoting. A runner needs to tolerate running on varied terrain. A hockey player needs to tolerate the lateral loading of skating.
Return to Sport Criteria: What Ready Actually Means
Return to sport should be based on functional criteria, not time or pain alone. Before an athlete returns to full training and competition, they should demonstrate:
• Full pain free range of motion equal to the uninjured side
• Single leg calf raise capacity equal to at least 90 percent of the uninjured side
• Single leg balance time on a foam surface within 10 percent of the uninjured side
• The ability to perform sport specific cutting and change of direction movements at full speed without pain or giving way
• Subjective confidence in the ankle during sport specific movements
Most athletes return to sport before meeting these criteria. That is the primary reason the recurrence rate of ankle sprains is so high.
Up Next: Bulletproof Your Ankles
Rehabilitation restores what the injury took away. Part 4 of Ankle Sprains and Chronic Instability goes further, covering the prevention and strengthening work that builds an ankle more resilient than the one you started with. See you in the final part.
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Proper ankle rehabilitation is significantly more involved than most athletes realize, and it makes an enormous difference to long term outcomes. If you have had an ankle sprain that was not fully rehabilitated, or if you are currently working through one, reach out to book an assessment at Endurance Therapeutics with Dr. Keirstyn today!
📍 Endurance Therapeutics | Oakville, Ontario
📞 905-288-7161