Lateral Ankle Sprain: Rehabilitation and Return-to-Sport Criteria

Assessment and clinical reasoning

• Clarify mechanism, ability to bear weight, swelling and previous sprains.
• Use validated fracture-screening rules where appropriate.
• Assess ankle range, ligament tenderness, strength, balance and functional hopping as stage permits.
• Consider syndesmotic, osteochondral, tendon and proximal fibular injury when findings are atypical.

Red flags and precautions

• Suspected fracture or neurovascular compromise requires urgent medical assessment.
• Disproportionate pain, persistent inability to load or worsening symptoms should trigger reassessment.
• Do not force high-level hopping before basic loading is tolerated.

Management

Early protected loading and exercise are generally preferred over unnecessary prolonged immobilization for uncomplicated sprains. Rehabilitation should restore dorsiflexion, calf/peroneal capacity, balance and progressive running, jumping and change-of-direction demands.

Dosage and progression

• Use repeated range and activation work early within tolerance.
• Progress strengthening 2–3 days weekly with increasing resistance and single-leg demand.
• Advance balance from stable tasks to perturbation, landing and reactive sport tasks.
• Increase running and cutting exposure only when swelling, pain and next-day recovery remain acceptable.

Return-to-sport reasoning

The PAASS framework considers Pain, Ankle impairments, Athlete perception, Sensorimotor control and Sport/functional performance. Clearance should integrate these domains rather than use a single hop test or calendar date.

Common mistakes

• Stopping rehabilitation when walking becomes comfortable.
• Ignoring dorsiflexion and calf capacity.
• Using brace or tape as a substitute for rehabilitation.
• Returning to competition before repeated high-speed sport exposure.

Clinical pearls

• Recurrent sprain risk is a rehabilitation issue, not merely bad luck.
• Test confidence and sport performance as well as impairment.
• The final phase should look increasingly like the athlete's sport.

Summary

Restore ankle capacity systematically and base return-to-sport decisions on symptoms, impairments, confidence, sensorimotor control and sport-specific performance.