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- Title
Recovery of sensorimotor outcomes after acute ankle sprain: preliminary results of a prospective cohort study.
- Authors
Wagemans, Jente; Taeymans, Jan; Kuppens, Kevin; Baur, Heiner; Vissers, Dirk; Bleakley, Chris
- Abstract
Introduction: Chronic ankle instability (CAI) develops after 30-40% of ankle sprains.1 Etiological models suggest CAI is underpinned by pathomechanical and sensorimotor deficits, but this is largely informed by cross sectional data.2 Objectives: To prospectively record key clinical outcomes and evaluate their individual recovery at 6 and 12 weeks post ankle sprain Study design: Prospective cohort study Methods: Athletes (>18y) presenting with an acute lateral ankle sprain (LAS) (<14 days) were recruited from hospital ED's, social media and physiotherapy clinics. The following outcomes were recorded at 6 and 12 weeks post injury: perceived instability (CAIT), self-reported ankle function (Q-FAAM), range of motion (ROM), strength, joint positional sense (JPS), balance and jump performance. For each outcome, recovery was considered as the point at which scores for the affected ankle were ≥ to the contralateral side (± minimal detectable change - MDC). We also recorded re-injury (%), and time to return to sport. Results: We have recruited N=33 patients (61% male; mean age 29y (range 18-60)), with 28 completing 6 and 12 week follow ups. At weeks 6 and 12, many participants had comparable side to side scores for ROM (61%; 89%) and balance (82%; 86%). Fewer participants reported normal scores for CAIT (23%) and Q-FAAM (13%) at week 6, with some increases at week 12 (50% and 46%). Muscle strength, JPS and jump performance were inconclusive. At 6 weeks, 50% had return to sport, increasing to 95% at 12 weeks. By week 12, 12 participants (36%) had incurred a re-sprain. Conclusions: Recurrence rates are high and align with previous reports. Our initial results suggest that sensorimotor outcomes seem to recover up to 12 weeks post LAS, but time to recovery varies considerably across these outcomes. Recruitment is ongoing; future analysis will examine key predictors of CAI.3
- Subjects
NORWAY; PHYSICAL therapy; ACUTE diseases; TREATMENT effectiveness; CONFERENCES &; conventions; ANKLE injuries; CONVALESCENCE; SPRAINS; ANKLE joint; JOINT instability
- Publication
International Journal of Sports Physical Therapy, 2024, Vol 19, Issue 6, p775
- ISSN
2159-2896
- Publication type
Article