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J Sci Med Sport. 2017 Jun;20(6):549-554. doi: 10.1016/j.jsams.2016.12.001. Epub 2016 Dec 9.

The "Strengthen your ankle" program to prevent recurrent injuries: A randomized controlled trial aimed at long-term effectiveness.

Author information

1
Amsterdam Collaboration on Health and Safety in Sports, IOC Research Center, VUmc/AMC, The Netherlands; Department of Public & Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre, The Netherlands.
2
Amsterdam Collaboration on Health and Safety in Sports, IOC Research Center, VUmc/AMC, The Netherlands; Department of Public & Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre, The Netherlands; Consumer Safety Institute VeiligheidNL, The Netherlands.
3
Consumer Safety Institute VeiligheidNL, The Netherlands.
4
Amsterdam Collaboration on Health and Safety in Sports, IOC Research Center, VUmc/AMC, The Netherlands; Department of Public & Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre, The Netherlands; School of Public Health, Physiotherapy and Population Sciences, University College Dublin, Ireland; School of Human Movement and Nutrition Sciences, Faculty of Health and Behavioural Sciences, University of Queensland, Australia; UCT/MRC Research Unit for Exercise Science and Sports Medicine (ESSM), Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa.
5
Amsterdam Collaboration on Health and Safety in Sports, IOC Research Center, VUmc/AMC, The Netherlands; Department of Public & Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre, The Netherlands; UCT/MRC Research Unit for Exercise Science and Sports Medicine (ESSM), Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa; Australian Centre for Research into Injury in Sport and its Prevention, Federation University Australia, Australia. Electronic address: e.verhagen@vumc.nl.

Abstract

OBJECTIVES:

Recurrent ankle sprains can be reduced by a neuromuscular training program (NMT). The way NMT is delivered may influence the incidence of long term recurrent injuries, residual pain and disability.

DESIGN:

This RCT with a follow-up of twelve months, evaluated whether the implementation method of a proven effective NMT program delivered by a mobile application or a written instruction booklet, resulted in differences in injury incidence rates, functional ankle disability/pain in the long term, assuming equal compliance - as is shown in previous research - with the 8-week intervention.

METHODS:

220 athletes with a history of ankle sprain were recruited for this RCT. 110 athletes were offered the freely available "Strengthen your ankle App" and the other 110 received a printed Booklet. Primary outcome measure was incidence density of ankle sprains. Secondary outcome measures were residual pain/disability and the individual cumulative number of ankle sprains during follow-up.

RESULTS:

The incidence densities of self-reported ankle sprain recurrences were not significantly different between both groups (HR 1.06; 95% CI 0.76-1.49). Median FADI (Functional Ankle and Disability Index) scores increased equally over time in both groups, indicating a lower rate of limitation and pain in both groups at follow-up. Neither FADI scores nor cumulative recurrent injuries were significantly different between groups.

CONCLUSIONS:

This study showed that the implementation method of a NMT program by using an App or a Booklet did neither lead to different injury incidence rates in the long term nor did it influence residual functional disability/pain. Assuming equal compliance during the 8-week intervention, both methods show similar effectiveness in twelve-month follow-up.

KEYWORDS:

Ankle injury; E-health; Injury prevention

PMID:
27988093
DOI:
10.1016/j.jsams.2016.12.001
[Indexed for MEDLINE]

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