Previous knee injury as at risk factor for future knee injuries in female adolescent soccer player

Principal investigator: Lars Tang

Principal supervisor: Kristian Thorborg

Co-supervisor(s): Karl Bang Christensen (University of Copenhagen)

Research initiative: Arthroscopic Centre Amager

Time frame: 01.02.2013 – 01.08.2013

Background: Young female players has increased by 32 % from 2000 to 2006 and in United States the number for High schools female playing soccer in 2012 is almost equal to male. Knee injury has especially been reported as major problem for female players, which tend to sustain anterior cruciate ligament (ACL) injuries at a younger age than male players. The injury risk seems to be highest during the late pubertal or first post-pubertal years and traumatic injuries can consequently force the player to retire from soccer. A crucial step is therefore to establish knowledge regarding why particular athletes may be at risk of injury is to investigate risk factors. For male soccer player previous injury has in numerous studies showed to be an intrinsic risk factor for recurrent injuries in the lower limb. However, lacking evidence of previous injury as a risk factor for knee injuries in female footballers exists. 

Purpose: The aim is to examine whether previous knee injury represent a risk factors for knee future knee injury, using weekly SMS registrations and subsequent phone calls to prospectively collect exposure and injury data, as this is a more direct method than previously used.

Experimental approach: Players were included if they were registered on a girls’ soccer team in age group 15 to 18 years, resided in Jutland and participated in any Danish Soccer Association (DBU) series during the spring 2012 season. Self-reported data on history of previous knee-injury were collected at baseline. Prospective injuries were reported though weekly text-messaging (SMS) over 19 weeks. When an injury was reported, players were contacted in order to classify possible knee injuries by a semi-structured interview. Risk analysis was performed for sustaining overall knee-injury after previous knee injury.

Additional information: The study is approved by the Local Ethical Committee (H-2-2010-091).

Contact: Lars Tang: Mail: L_tang@hotmail.dk

 


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