Accelerometers for the Assessment of Concussion in Male Athletes: A Systematic Review and Meta-Analysis
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Concussion is common in the sporting arena and is often challenging to diagnose. The development of wearable head impact measurement systems has enabled measurement of head kinematics in contact sports.
The objective of this systematic review was to determine the characteristics of head kinematics measured by an accelerometer system among male athletes diagnosed with concussion.
A systematic search was conducted in July 2015. Inclusion criteria were English-language studies published after 1990 with a study population of male athletes, in any sport, where objectively measured biomechanical forces were reported in the setting of a concussive event. The random effects meta-analysis model was used to combine estimates of biomechanical force measurements in concussed athletes.
Thirteen studies met the inclusion criteria, the majority of which were conducted with high school and college football teams in the US. Included studies measured a combination of linear and rotational acceleration. The meta-analysed mean peak linear head acceleration associated with a concussive episode was 98.68 g (95 % CI 82.36–115.00) and mean peak rotational head acceleration was 5776.60 rads/s2 (95 % CI 4583.53–6969.67). The estimates of the biomechanical forces were consistent across studies, with I 2 values of 0 % for both meta-analyses.
Head impact monitoring through accelerometery has been shown to be useful with regard to characterising the kinematic load to the head associated with concussion. Future research with improved clinical outcome measures and head kinematic data may improve accuracy when evaluating concussion, and may assist with both interpretation of biomechanical data and the development and utilisation of implementation strategies for the technology.
KeywordsChronic Traumatic Encephalopathy Head Impact Rotational Acceleration Head Acceleration Rugby Union
The authorship team would like to acknowledge Ms. Lisa Kruesi and Ms. Penny Presta for their assistance in the development of the search strategy.
Compliance with Ethical Standards
James Brennan received a scholarship from Monash University to undertake this systematic review. Joanne McKenzie holds a National Health and Medical Research Council (NHMRC) Australian Public Health Fellowship (1072366).
Conflict of interest
James H. Brennan, Biswadev Mitra, Anneliese Synnot, Joanne McKenzie, Catherine Willmott, Andrew S. McIntosh, Jerome J. Maller and Jeffrey V. Rosenfeld declare that they have no conflicts of interest relevant to the content of this review.
- 2.O’Rance L. Disability in Australia: acquired brain injury. Canberra: Australian Institute of Health and Welfare; 2007.Google Scholar
- 28.Funk JR, Duma SM, Manoogian S. Development of concussion risk curves based on head impact data from collegiate football players. Injury Biomechanics Research. In: Proceedings of the 34th international workshop. Dearborn, MI; 2006. pp. 1–15.Google Scholar
- 30.Duma SM, Rowson S (eds). Every newton hertz: a macro to micro approach to investigating brain injury. In: Conf Proc IEEE Eng Med Biol Soc; 2009, pp. 1123–6.Google Scholar
- 37.Beckwith JG, Chu JJ, Crisco JJ, et al. Severity of head impacts resulting in mild traumatic brain injury. Am Soc Biomech. 2009;1144.Google Scholar
- 58.McPherson MN, Montelpare WJ, Keightley M, et al. An analysis of head impact profiles and safe hockey behaviors in youth hockey players. J ASTM Int. 2009;6(10):1–7.Google Scholar
- 65.Young TJ, Rowson S, Duma SM, et al. High magnitude head impacts experienced during youth football practices. In: 51st annual rocky mountain bioengineering symposium, RMBS 2014, and 51st international ISA biomedical sciences instrumentation symposium 2014; 2014.Google Scholar