A 12-month prospective cohort study of symptoms of common mental disorders among European professional footballers
- Authors: Gouttebarge, Vincent , Aoki, Haruhito , Verhagen, Evert , Kerkhoffs, Gino
- Date: 2017
- Type: Text , Journal article
- Relation: Clinical Journal of Sport Medicine Vol. 27, no. 5 (2017), p. 487-492
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- Description: Objective: To determine the 12-month incidence and comorbidity of symptoms of common mental disorders (CMD) among European professional footballers and to explore the association of potential stressors with the health conditions under study among those European professional footballers. Design: Observational prospective cohort study with a follow-up period of 12 months. Participants: Male professional footballers from 5 European countries (n = 384 at baseline). Assessment of Risk Factors: Adverse life events, conflicts with trainer/coach, and career dissatisfaction were explored by using validated questionnaires. Main Outcome Measures: Symptoms of distress, anxiety/depression, sleep disturbance, and adverse alcohol use were assessed using validated questionnaires. Results: A total of 384 players (mean age of 27 years old; mean career duration of 8 years) were enrolled, of which 262 completed the follow-up period. The incidence of symptoms of CMD were 12% for distress, 37% for anxiety/depression, 19% for sleep disturbance, and 14% for adverse alcohol use. Over the follow-up period of 12 months, approximately 13% of the participants reported 2 symptoms, 5% three symptoms, and 3% four symptoms. Professional footballers reporting recent adverse life events, a conflict with trainer/coach, or career dissatisfaction were more likely to report symptoms of CMD, but statistically significant associations were not found. Conclusions: The 12-month incidence of symptoms of CMD among European professional footballers ranged from 12% for symptoms of distress to 37% for symptoms of anxiety/depression. A professional football team typically drawn from a squad of 25 players can expect symptoms of CMD to occur among at least 3 players in one season.
Preventing musculoskeletal injuries among recreational adult volleyball players : Design of a randomised prospective controlled trial
- Authors: Gouttebarge, Vincent , Zwerver, Johannes , Verhagen, Evert
- Date: 2017
- Type: Text , Journal article , Review
- Relation: BMC Musculoskeletal Disorders Vol. 18, no. 1 (2017), p. 1-6
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- Description: Background: Both acute and overuse injuries are common among recreational volleyball players, especially finger/wrist, ankle, shoulder and knee injuries. Consequently, an intervention ('VolleyVeilig') was developed to prevent or reduce the occurrence of finger/wrist, shoulder, knee and ankle injuries among recreational volleyball players. This article describes the design of a study evaluating the effectiveness of the developed intervention on the one-season occurrence of finger/wrist, shoulder, knee and ankle injuries among recreational adult volleyball players. Methods: A randomized prospective controlled trial with a follow-up period of one volleyball season will be conducted. Participants will be healthy recreational adult volleyball players (18 years of age or older) practicing volleyball (training and/or match) at least twice a week. The intervention ('VolleyVeilig') consists of a warm-up program based on more than 50 distinct exercises (with different variations and levels). The effect of the intervention programme on the occurrence of injuries will be compared to volleyball as usual. Outcome measures will be incidence of acute injury (expressed as number of injuries per 1000 h of play) and prevalence of overuse injuries (expressed as percentage). Discussion: This study will be one of the first randomized prospective controlled trials evaluating the effectiveness of an intervention on the occurrence of both acute and overuse injuries among recreational adult volleyball players. Outcome of this study could possibly lead to the nationwide implementation of the intervention in all volleyball clubs in The Netherlands, ultimately resulting in less injuries. Trial registration: Dutch Trial Registration NTR6202, registered February 1st 2017. Protocol: Version 3, February 2017. © 2017 The Author(s).