Users’ Perspectives, Opportunities, and Barriers of the Strengthen Your Ankle App for Evidence-Based Ankle Sprain Prevention: Mixed-Methods Process Evaluation for a Randomized Controlled Trial

Miriam van Reijen   ^{1 *} , MSc ;   Marianne Asscheman   ¹ , BSc ;   Ingrid Vriend   ^{1, 2 *} , PhD ;   Willem van Mechelen   ^{1, 3, 4, 5} , MD, PhD ;   Evert Verhagen   ^{1, 5 *} , PhD

¹ Amsterdam Collaboration on Health and Safety in Sports, Department of Public & Occupational Health, Amsterdam Public Health research institute, VU University Medical Centre, Amsterdam, Amsterdam, Netherlands

² Consumer Safety Institute VeiligheidNL, Amsterdam, Netherlands

³ School of Public Health, Physiotherapy and Population Sciences, University College Dublin, Dublin, Ireland

⁴ School of Human Movement and Nutrition Sciences, Faculty of Health and Behavioural Sciences, University of Queensland, Brisbane, Brisbane, Australia

⁵ Division of Exercise Science and Sports Medicine (ESSM), Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa

*these authors contributed equally