The biomechanics of concussion in unhelmeted football players in Australia: A case-control study

BMJ Open

Volumn 4, Issue 5, 2014, Pages

  McIntosh, Andrew S ^a,b   Patton, Declan A ^c   Fréchède, Bertrand ^d,e,f   Pierré, Paul André ^g   Ferry, Edouard ^h   Barthels, Tobias ^i,j  

^a UNIVERSITY OF BALLARAT   (Australia)

^b MONASH UNIVERSITY   (Australia)

^c UNIVERSITY OF NEW SOUTH WALES   (Australia)

^d UNIVERSITÉ DE LYON   (France)

^e UNIVERSITÉ LYON 1   (France)

^f Lyon University   (France)

^g SAFRAN AIRCRAFT ENGINES   (France)

^h Centre d'Expertise en Dynamique Rapide Explosions et Multiphysique (CEDREM) Ecoparc d'Affaires de Sologne   (France)

ⁱ Stryker GmbH   (Germany)

^j Stryker GmbH and Co   (Belgium)

more..

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ARTICLE; AUSTRALIA; BIOMECHANICS; CONCUSSION; FOOTBALL; HELMET; HUMAN; MAJOR CLINICAL STUDY; MALE; SIMULATION; TORQUE; UNCONSCIOUSNESS; VELOCITY; ACCELERATION; BRAIN CONCUSSION; INJURIES; PATHOPHYSIOLOGY; PREVALENCE; RETROSPECTIVE STUDY;

ACCELERATION; ADULT; AUSTRALIA; BIOMECHANICAL PHENOMENA; BRAIN CONCUSSION; FOOTBALL; HEAD PROTECTIVE DEVICES; HUMANS; MALE; PREVALENCE; RETROSPECTIVE STUDIES;

EID: 84901428778     PISSN: None     EISSN: 20446055     Source Type: Journal    
DOI: 10.1136/bmjopen-2014-005078     Document Type: Article

References (45)

1. McCrory PR. The nature of concussion: a speculative hypothesis. Br J Sports Med 2001;35:146-7.
2. Gordon KE, Dooley JM, Wood EP. Descriptive epidemiology of concussion. Pediatr Neurol 2006;34:376- 8.
3. Erlanger DM, Kutner KC, Barth JT, et al. Neuropsychology of sports-related head injury: dementia pugilistica to post concussion syndrome. Clin Neuropsychol 1999;13:193-209. (Pubitemid 29391507)
4. McCrory PR, Meeuwisse WH, Aubury M, et al. Consensus statement on concussion in sport: the 4th International Conference on Concussion in Sport held in Zurich, November 2012. Br J Sports Med 2013;47:250-8.
5. Ommaya AK, Gennarelli TA. Cerebral concussion and traumatic unconsciousness: correlation of experimental and clinical observations on blunt head injuries. Brain 1974;97:633-54.
6. Newman JA, Beusenberg MC, Fournier E, et al. A new biomechanical assessment of mild traumatic brain injury: part 1-Methodology. International Research Council on the Biomechanics of Impact Conference. Sitges, Spain: IRCOBI, 1999:17-36.
7. Newman JA, Barr C, Beusenberg MC, et al. A new biomechanical assessment of mild traumatic brain injury: part 2-Results and conclusions. International Research Council on the Biomechanics of Impact Conference. Montpellier, France: IRCOBI, 2000:223-33.
8. Newman JA, Beusenberg MC, Shewchenko N, et al. Verification of biomechanical methods employed in a comprehensive study of mild traumatic brain injury and the effectiveness of American football helmets. J Biomech 2005;38:1469-81. (Pubitemid 40744904)
9. Pellman EJ, Viano DC, Tucker AM, et al. Concussion in professional football: part 1-reconstruction of game impacts and injuries. Neurosurg 2003;53:799-814. (Pubitemid 37211024)
10. Zhang L, Yang KH, King AI. A proposed injury threshold for mild traumatic brain injury. J Biomech Eng 2004;126:226-36. (Pubitemid 38621136)
11. Kleiven S. Predictors for traumatic brain injuries evaluated through accident reconstructions. Stapp Car Crash J 2007;51:81-114.
12. Naunheim RS, Standeven J, Richter C, et al. Comparison of impact data in hockey, football, and soccer. J Trauma 2000;48:938-41. (Pubitemid 30435963)
13. Duma SM, Manoogian SJ, Bussone WR, et al. Analysis of real-time head accelerations in collegiate football players. Clin J Sports Med 2005;15:3-8. (Pubitemid 40283813)
14. Brolinson PG, Manoogian SJ, McNeely D, et al. Analysis of linear head accelerations from collegiate football impacts. Curr Sports Med Rep 2006;5:23-8.
15. Funk JR, Duma SM, Manoogian SJ, et al . Development of concussion risk curves based on head impact data from collegiate football players. Injury Biomechanics Research: 34th International Workshop. Dearborn, MI, USA, 2006:1-15.
16. Guskiewicz KM, Mihalik JP, Shankar V, et al. Measurement of head impacts in collegiate football players: relationship between head impact biomechanics and acute clinical outcome after concussion. Neurosurg 2007;61:1244-53.
17. McCaffrey MA, Mihalik JP, Crowell DH, et al. Measurement of head impacts in collegiate football players: clinical measures of concussion after high- and low-magnitude impacts. Neurosurg 2007;61:1236-43.
18. Schnebel B, Gwin JT, Anderson S, et al. in vivo study of head impacts in football: a comparison of National Collegiate Athletic Association Division I versus high school impacts. Neurosurg 2007;60:490-6.
19. Greenwald RM, Gwin JT, Chu JJ, et al. Head impact severity measures for evaluating mild traumatic brain injury risk exposure. Neurosurg 2008;62:789-98.
20. Broglio SP, Sosnoff JJ, Shin SH. Head impacts during high school football: a biomechanical assessment. J Athl Train 2009;44:342-9.
21. Broglio SP, Schnebel B, Sosnoff JJ, et al. Biomechanical properties of concussions in high school football. Med Sci Sport Exerc 2010;42:2064-71.
22. Crisco JJ, Fiore R, Beckwith JG, et al. Frequency and location of head impact exposures in individual collegiate football players. J Athl Train 2010;45:549-59.
23. McAllister TW, Ford JC, Ji S, et al. Maximum principal strain and strain rate associated with concussion diagnosis correlates with changes in corpus callosum white matter indices. Ann Biomed Eng 2012;40:127-40.
24. Rowson S, Duma SM, Beckwith JG, et al. Rotational head kinematics in football impacts: an injury risk function for concussion. Ann Biomed Eng 2012;40:1-13.
25. Rowson S, Brolinson PG, Goforth MW, et al. Linear and angular head acceleration measurements in collegiate football. J Biomech Eng 2009;131:1-7.
26. McIntosh AS, McCrory PR, Comerford J. The dynamics of concussive head impacts in rugby and Australian rules football. Med Sci Sport Exerc 2000;32:1980-4.
27. Fréchède B, McIntosh AS. Use of MADYMO's human facet model to evaluate the risk of head injury in impact. 20th International Technical Conference on the Enhanced Safety of Vehicles. Lyon, France: NHTSA, 2007:1-14.
28. Fréchède B, McIntosh AS. Numerical reconstruction of real-life concussive football impacts. Med Sci Sport Exerc 2009;41:390-8.
29. Holbourn AHS. Mechanics of head injuries. Lancet 1943;242:438-41.
30. Hardy WN, Mason MJ, Foster CD, et al. A study of the response of the human cadaver head to impact. Stapp Car Crash J 2007;51:17-80.
31. Rowson S, Duma SM. Brain injury prediction: assessing the combined probability of concussion using linear and rotational head acceleration. Ann Biomed Eng 2013;41:873 -82.
32. McIntosh AS, Andersen TE, Bahr R, et al. Sports helmets now and in the future. Br J Sports Med 2011;45:1258-65.
33. McIntosh AS, Kallieris D, Mattern R, et al. Head and neck injury resulting from low velocity direct impact. 37th Stapp Car Crash Conference. San Antonio, TX, USA: SAE, 1993:43-57.
34. Neale M, McGrath M, Baumgartner D, et al. Comparative study between finite element human and dummy head model responses under impact. International Research Council on the Biomechanics of Impact Conference. Graz, Austria: IRCOBI, 2004.
35. Yoganandan N, Pintar FA, Sances A Jr, et al. Biomechanics of skull fracture. J Neurotrauma 1995;12:659-68.
36. Cheng H, Obergefell L, Rizer A. The development of the GEBOD program. 15th Southern Biomedical Engineering Conference. Dayton, OH, USA: IEEE, 1996:251-4.
37. SPSS Inc. PASW Statistics. 2009: Chicago, IL, USA.
38. Peng C-YJ, Lee KL, Ingersoll GM. An introduction to logistic regression analysis and reporting. J Educ Res 2002;96:3-14.
39. Bewick V, Cheek L, Ball J. Statistics review 14: logistic regression. Crit Care 2005;9:112-18. (Pubitemid 40246780)
40. Menard S. Applied logistic regression analysis. Quantitative applications in the social sciences. Thousand Oaks, CA, USA: Sage, 1995.
41. Nagelkerke NJD. A note on a general definition of the coefficient of determination. Biometrika 1991;78:691-2.
42. Benson BW, McIntosh AS, Maddocks D. What are the most effective risk reduction strategies in sport concussion? From protective equipment to policy. Br J Sports Med 2013;47:321-6.
43. McIntosh AS, McCrory PR, Finch CF, et al. Does padded headgear prevent head injury in rugby union football? Med Sci Sport Exerc 2009;41:306-13.
44. Newman JA. A generalized acceleration model for brain injury threshold (GAMBIT). International Research Council on the Biomechanics of Impact Conference. Zurich, Switzerland: IRCOBI, 1986:121-31.
45. Schmitt K-U, Niederer PF, Muser MH, et al. Head injuries. In: Trauma biomechanics: accidental injury in traffic and sports. 2nd edn. New York, NY, USA: Springer, 2007:55-81.