Can motor proficiency testing predict sports injuries and sports-induced bleeds in people with haemophilia?

Olav Versloot*, Johan Blokzijl, Merel Timmer, Marleen Schuuring, Karin van Galen, Idske Kremer Hovinga, Paul van der Valk, Lize van Vulpen, Roger Schutgens, Casper van Koppenhagen, Janjaap van der Net, Kathelijn Fischer

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Introduction: Predicting the risk of sports injuries and sports-induced bleeds (SIBs) in people with haemophilia (PWH) may support clinical counselling. Aim: To assess the association between motor proficiency testing and sports injuries and SIBs and to identify a specific set of tests for predicting injury risk in PWH. Methods: In a single centre, prospective study male PWH aged 6–49 playing sports ≥1x/week were tested for running speed and agility, balance, strength and endurance. Test results below −2Z were considered poor. Sports injuries and SIBs were collected for 12 months while 7 days of physical activity (PA) for each season was registered with accelerometers. Injury risk was analysed according to test results and type of physical activity (%time walking, cycling, running). Predictive values for sports injuries and SIBs were determined. Results: Data from 125 PWH (mean [± SD] age: 25 [± 12], 90% haemophilia A; 48% severe, 95% on prophylaxis, median factor level: 2.5 [IQR 0–15]IU/dl) were included. Few participants (n = 19, 15%) had poor scores. Eighty-seven sports injuries and 26 SIBs were reported. Poor scoring participants reported 11/87 sports injuries and 5/26 SIBs. The current tests were poor predictors of sports injuries (Range PPV: 0%–40%), or SIBs (PPV: 0%–20%). PA type was not associated with season (activity seasonal p values >.20) and type of PA was not associated with sports injuries or SIBs (Spearman's rho <.15). Conclusion: These motor proficiency- and endurance tests were unable to predict sports injuries or SIBs in PWH, potentially due to few PWH with poor results and low numbers of sports injuries and SIBs.

Original languageEnglish
Pages (from-to)864-873
Number of pages10
JournalHaemophilia
Volume29
Issue number3
DOIs
Publication statusPublished - May 2023

Keywords

  • children
  • haemophilia
  • motor proficiency
  • sports

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