Epidemiology of injuries in British male ice hockey: A multi-season prospective cohort study.

Jones, Ashley; Kamdin, Farzan; Eastwood, Declan; Jones, Gareth · J Exp Orthop · 2025

prospective_cohort · Level II

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Abstract

The aim of the study was to investigate the incidence, nature and burden of injury in a cohort of male ice hockey players competing in the National Ice Hockey League (NIHL) over two seasons. A prospective single-site cohort study was conducted on 50 players (age: 22.3 ± 3.7) competing over the 2022-2023 and 2023-2024 seasons. All injuries (medical attention and time loss) and illnesses were recorded. Match and training exposure were also recorded. Injury incidence was expressed as injuries per 1000 h of exposure while burden was the number of time loss days per 1000 h of exposure. Prevalence was reported as percentages for: body area, injury type, diagnosis, mechanism, mode of onset and injury episode. One-variable chi-squared tests were used to determine if observed values were as expected for each prevalence subcategory. One hundred and eighty-two injuries were recorded, of which 26 injuries (26/182) led to time-loss. Seven illnesses were reported. The injury incidence rate for all injuries was 54.18 (95% confidence interval [CI]: 7.87-62.0)/1000 h, while the time-loss was 7.74 (95% CI: 2.97-10.71)/1000 h. More injuries were recorded during matches than in training (35.63 [95% CI: 13.81-48.34]/1000 h vs. 0.75 [95% CI: -1.04 to 1.79]/1000 h). Injuries to the head occurred most often (17.6%), although the shoulder was the most burdensome (16.3 severity score). Bone contusions were the most frequent diagnosis (19.8%), although the most days were lost per injury were following muscle contusion injuries (18.3 severity score). Most injuries occurred from (direct and indirect) contact (70.8%) mechanisms, were acute in nature (77.5%) and were classed as first occurrences (86.8%). The overall incidence of injury was 54.18/1000 h, yet time-loss injury incidence was much lower at 7.74/1000 h. The most injured body area was the head, and the most injured tissue type was muscle and tendon. Bone contusions were the most common pathology recorded. Level II.