ORIGINAL INVESTIGATION Prevention of Soccer-Related Knee Injuries in Teenaged Girls Ashkan Kiani, MD; Einar Hellquist, MD; Kerstin Ahlqvist, MSc; Rolf Gedeborg, PhD; Karl Michaëlsson, PhD; Liisa Byberg, PhD Background: Knee injuries end many careers among Results: Three knee injuries occurred in the interven- female soccer players. The number of injuries can be tion group and 13 occurred in the control group, corre- anticipated to increase because of the increasing popu- sponding to incidence rates of 0.04 and 0.20, respec- larity of the sport worldwide and the higher incidence tively, per 1000 player hours. The preventive program of knee injuries among young females compared with was associated with a 77% reduction in knee injury in- males. cidence (crude rate ratio, 0.23; 95% confidence inter- val, 0.04-0.83). The noncontact knee injury incidence rate Methods: In a community-based intervention trial per- was 90% lower in the intervention group (crude rate ra- formed from February 1 through October 31, 2007, we tio, 0.10; 95% confidence interval, 0.00-0.70). Adjust- sought to reduce the number of knee injuries among fe- ment for potential confounders strengthened the esti- male soccer players aged 13 to 19 years (N=1506), rep- mates. Forty-five of the 48 intervention teams (94%)
JAMA Internal Medicine – American Medical Association
Published: Jan 11, 2010
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