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Injuries in Novice Participants during an Eight-Week Start up CrossFit Program-A Prospective Cohort Study
Rasmus Tolstrup Larsen1, Andreas Lund Hessner1, Lasse Ishøi2
1Department of Public Health, Section of Social Medicine, University of Copenhagen, 1123 Copenhagen K, Denmark.
Background:
Previously published studies have reported injury rates ranging from 0.74 to 3.3 per 1000 h of exposure in CrossFit participants. However, the existing body of evidence is mainly based on experienced participants; therefore, the injury incidence and injury rate within novice CrossFit participants remains relatively unknown. The aim of this study wasto investigate the injury incidence and injury rate among novice participants in an eight-week CrossFit program.
Methods:
This survey-based prospective cohort study included CrossFit Copenhagen's novice members who began an eight-week, free-of-charge membership period. A questionnaire was distributed at baseline and at eight-week follow-up. Information about exposure was retrieved through the online booking system. Injury incidence, defined as proportion of participants who sustained an injury, and injury rates per 1000 h of exposure were calculated.
Results:
Among the 168 included participants, a total of 28 injuries (14.9%) were reported. The number of injured participants and total exposure time resulted in an injury rate per 1000 h of exposure of 9.5.
Conclusions:
Compared to the existing body of evidence, the findings in this study indicate that the risk of injuries is higher among novice participants than among experienced CrossFit participants.
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