Rationale: A lateral ankle sprain (LAS) is a common sports related injury. Ankle instability and balance impairment after injury are common. This case report describes the longitudinal changes in static balance after LAS.
Patient concerns: A 36-year-old man visited our hospital with LAS of the right ankle that occurred during an exercise session. The patient complained of severe pain and swelling of the ankle. The patient was unable to walk a short distance.
Diagnoses: Ultrasound examination showed swelling of the surrounding soft tissues and a partial tear of the right anterior talofibular ligament. In the Doppler scan, vascularity increased around anterior talofibular ligament. No fractures were observed on computed tomography.
Interventions: The patient received analgesics for pain control. The rest, ice, compression, elevation protocol was used. The injured area was protected with a controlled ankle movement walking boot for 2 weeks. Standing balance was measured at 3, 4, 8, 12, and 24 weeks after injury using Footscan.
Outcome: He was able to walk approximately 2 weeks after the injury with reduced pain over time. It was observed that the standing balance improved over time.
Lesson: In this case, it was objectively confirmed that standing balance was restored naturally after LAS.
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