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Abstract
Background Crossfit® has become a very popular activity across the world. The prevalence of Crossfit®.related injury (CRI) has never been studied in France.
Objective To determine the prevalence of CRI in France.
Design Retrospective study using a questionnaire.
Setting Seventy-four affiliated Crossfit® Boxs provided an online questionnaire to their athletes.
Patients (or Participants) The online questionnaire was distributed to Crossfit® athletes through private social medias groups and emails. Inclusion criteria were: male or female, aged more than 18, registered in an affiliated Crossfit® setting. Three thousand and twenty-three athletes participated in the study.
Interventions (or Assessment of Risk Factors) Data collection was done between November 4th and January 31th, 2018. The number, the location and the duration of the injury were recorded. We also gathered the athletes’ training behavior when they got injured and their own explanations on the reason they think they got injured.
Main Outcome Measurements Prevalence of CRI. The hypothesis was that the prevalence of CRI would be comparable to other studies in different countries.
Results Shoulder accounted for (26%), lower back pain (18%) and knees (11%) of total injuries. The prevalence of CRI was dependent of training volume (χ2 (18) = 56.6, p < .001). The prevalence of CRI compared to training volume showed that more people got injured when they had less training hours. Moreover results showed that the reason expressed by athletes on why they got injured is related to their time experience in Crossfit® (χ2 (24) = 58.5, p <0,001).
Conclusions This is the first study reporting on CRI in France. The prevalence of CRI was comparable to other countries. Although this is just an association, athletes training less had a greater chance to become injured. The reason expressed by athletes on why they were injured depends on their training experience. These results may help health care professionals and coaches in the management of athletes for injury prevention.