Jumper's Knee: A Prospective Evaluation of Risk Factors in Volleyball Players
MacDonald K, Palacios-Derflingher L, Kenny S, Emery C, Meeuwisse WH
Clin J Sport Med October 2018
Volleyball
Who participated in this study?
60 elite adult male volleyball players from Canada
When did this study occur?
2015
Why did we do this research?
To examine potential intrinsic risk factors that may contribute to the onset of jumper’s knee in elite level-male volleyball players
What did we find?
Knee problem prevalence was 75% and the incidence rate for substantial injuries over the study period was 30 injuries/100 players/season. No risk factor was found to significantly predict the future occurrence of developing jumper’s knee.
Concussion incidence and mechanism among youth volleyball players
Meeuwisse DW, MacDonald K, Meeuwisse WH, Schneider K
Br J Sports Med May 2017
Who participated in this study?
Female and male Canadian youth volleyball athletes, aged 14-19 years
When did this study occur?
March-April 2017
Why did we do this research?
To assess the incidence of concussion among adolescent volleyball players in Canada
What did we find?
In total, 57.1% of all concussions involved ball-to-head contact. Player-to-player contact and head-to-floor contact were less prevalent at 20.2% and 15.5%, respectively. In total, 61.6% of concussions occurred outside of free-flow competitive game play, in a more structured environment of practice or warm-up