Immediate functional progression program in adolescent athletes with a spondylolysis.

To assess the preliminary evidence for the efficacy and safety of an immediate functional progression program to treat adolescent athletes with an active spondylolysis. Prospective single-arm trial. Hospital-based sports medicine and physical therapy clinic. Twelve adolescent athletes (14.2 ± 2 years, 25% female) with an active spondylolysis. Clinical outcomes included time out of sport, Micheli Functional Scale (Function and Pain) and adverse reactions. Clinical outcomes were assessed at baseline, 1 month, 3 months and 6 months. Magnetic resonance imaging was performed at baseline and 3 months to confirm diagnosis and assess healing of lesion. Eleven participants (92%) fully returned to sport in a median time of 2.5 months (75 days; interquartile range 55 days, 85 days). All participants demonstrated marked improvements in pain and function by the end of the program. One participant (8%) had an adverse reaction during care with a significant recurrence of LBP and had not returned to sport by 6 months. Magnetic resonance imaging demonstrated improvement of the spondylolytic lesion in all but one participant. The immediate functional progression program appears a viable method for treating active spondylolysis and warrants future research.

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Declaration of competing interest The authors have no conflicts of interest to report.