Performance aspects of an injury prevention program: a ten-week intervention in adolescent female football players

2008 ◽  
Vol 18 (5) ◽  
pp. 596-604 ◽  
Author(s):  
K. Steffen ◽  
H. M. Bakka ◽  
G. Myklebust ◽  
R. Bahr
2017 ◽  
Vol 51 (4) ◽  
pp. 389.2-390
Author(s):  
Holly Silvers-Granelli ◽  
Mario Bizzini ◽  
Amy Arundale ◽  
Bert Mandelbaum ◽  
Ryan Pohlig ◽  
...  

2018 ◽  
Vol 26 (7) ◽  
pp. 1975-1983 ◽  
Author(s):  
Holly J. Silvers-Granelli ◽  
Mario Bizzini ◽  
Amelia Arundale ◽  
Bert R. Mandelbaum ◽  
Lynn Snyder-Mackler

2020 ◽  
Vol 15 (1) ◽  
pp. 25-30 ◽  
Author(s):  
Mostafa Zarei ◽  
Hamed Abbasi ◽  
Abdolhamid Daneshjoo ◽  
Mehdi Gheitasi ◽  
Kamran Johari ◽  
...  

Purpose: The “11+ Kids” injury-prevention program has been shown to reduce injuries and related costs in youth football players less than 14 y of age. A major argument to convince coaches to use this exercise-based injury-prevention program is a potential performance enhancement of the players. Therefore, this study investigated the effects of the “11+ Kids” program on isokinetic strength. Methods: Two teams were randomly assigned to the intervention and control groups. The intervention group replaced their warm-up by the “11+ Kids” and the control group warmed up as usual. Two days before and after the 10-wk intervention, isokinetic strength of the hip adductors and abductors, knee flexors and extensors, and ankle invertors and evertors was tested. Results: Thirty-one players (mean age 11.5 [0.8] y) completed the study. The intervention group showed large improvements in all isokinetic strength measures (P < .001 for all measures; Cohen d = 0.8–1.4), whereas the control group only showed negligible to medium positive effects (P values ranging from .006 to .718; Cohen d = −0.1 to 0.7). The intervention was beneficial compared with the control group regarding isokinetic strength of the hip adductors (P < .001), knee flexors (P = .002), and ankle evertors (P < .001) and invertors (P = .005). Conclusions: Given the relatively short intervention period of 10 wk, the observed improvements relate to a practically meaningful effect of the intervention. The gain in strength may improve players’ performance and may contribute to a reduction of injury risk in the long-term application.


2018 ◽  
Vol 13 (6) ◽  
pp. 929-938 ◽  
Author(s):  
Alex Donaldson ◽  
Aisling Callaghan ◽  
Mario Bizzini ◽  
Andrew Jowett ◽  
Patrick Keyzer ◽  
...  

Coaches are essential to participant safety, particularly by implementing injury prevention programs. The evidence-based injury prevention programs developed by sports scientists will not prevent injuries in real-world sports settings if they are not properly implemented. This study investigated the knowledge and use of the highly efficacious 11+ injury prevention program among coaches of adolescent, female football teams, in Victoria, Australia. A cross-sectional online survey based on the RE-AIM framework identified that nearly half (42%) of the 64 respondents (response rate = 36%) were not aware of the 11+, and only one-third (31%) reported using it. Three-quarters (74%) of the 19 respondents who reported on the 11+ components they used, did not use the entire program. Nearly half (44%) of the 18 respondents who reported the frequency with which they used the 11+, used it less than the recommended twice a week. Barriers to implementing the 11+ included: limited awareness of the 11+; lack of knowledge about how to implement it; not having time to implement it; and believing that the 11+ does not incorporate appropriate progression. This study suggests that it is unlikely that the 11+ prevents a significant number of injuries in real-world football settings due to the lack of awareness and use among coaches. Football-governing bodies should use evidence-based strategies to raise awareness of the 11+, build coach competency to implement it, and address time-related implementation barriers that coaches experience. Coaches should keep up-to-date with injury prevention research evidence and prioritize injury prevention at training, including allocating time to implement injury prevention programs properly.


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