Broglio SP, Cantu RC, Gioia GA, et al. National Athletic Trainers’ Association position statement: management of sport concussion. J Athl Train. 2014;49:245–65.
McCrory P, Meeuwisse W, Dvorak J, et al. Consensus statement on concussion in sport: the 5th International Conference on Concussion in Sport held in Berlin, October 2016. Br J Sports Med. 2017;51:838–47.
McCrea M, Guskiewicz KM, Marshall SW, et al. Acute effects and recovery time following concussion in collegiate football players: the NCAA concussion study. JAMA. 2003;290:2556–63.
Buckley TA, Burdette G, Kelly K. Concussion-management practice patterns of National Collegiate Athletic Association Division II and III athletic trainers: how the other half lives. J Athl Train. 2015;50:879–88.
Kelly KC, Jordan EM, Joyner AB, et al. National Collegiate Athletic Association Division I athletic trainers’ concussion-management practice patterns. J Athl Train. 2014;49:665–73.
Baugh CM, Kroshus E, Stamm JM, et al. Clinical practices in collegiate concussion management. Am J Sports Med. 2016;44:1391–9.
Stache S, Howell D, Meehan WP. Concussion management practice patterns among sports medicine physicians. Clin J Sport Med. 2016;26:381–5.
Broglio SP, Macciocchi SN, Ferrara MS. Sensitivity of the concussion assessment battery. Neurosurgery. 2007;60:1050–7 (discussion 1057–8).
McCrea M, Barr WB, Guskiewicz K, et al. Standard regression-based methods for measuring recovery after sport-related concussion. J Int Neuropsychol Soc. 2005;11:58–69.
Broglio SP, Macciocchi SN, Ferrara MS. Neurocognitive performance of concussed athletes when symptom free. J Athl Train. 2007;42:504–8.
Buckley TA, Munkasy BA, Tapia-Lovler TG, et al. Altered gait termination strategies following a concussion. Gait Posture. 2013;38:549–51.
Buckley TA, Oldham JR, Caccese JB. Postural control deficits identify lingering post-concussion neurological deficits. J Sport Health Sci. 2016;5:61–9.
Howell DR, Osternig LR, Christie AD, et al. Return to physical activity timing and dual-task gait stability are associated 2 months following concussion. J Head Trauma Rehabil. 2016;31:262–8.
Slobounov S, Sebastianelli W, Hallett M. Residual brain dysfunction observed one year post-mild traumatic brain injury: combined EEG and balance study. Clin Neurophysiol. 2012;123:1755–61.
Gao J, Hu J, Buckley T, et al. Shannon and Renyi entropies to classify effects of mild traumatic brain injury on postural sway. PloS One. 2011;6:e24446.
Slobounov S, Cao C, Sebastianelli W. Differential effect of first versus second concussive episodes on wavelet information quality of EEG. Clin Neurophysiol. 2009;120:862–7.
Powers KC, Kalmar JM, Cinelli ME. Recovery of static stability following a concussion. Gait Posture. 2014;39:611–4.
Kamins J, Bigler E, Covassin T, et al. What is the physiological time to recovery after concussion? A systematic review. Br J Sports Med. 2017;51:935–40.
Guskiewicz KM. Balance assessment in the management of sport-related concussion. Clin Sports Med. 2011;30:89–102.
Riemann BL, Guskiewicz KM, Shields EW. Relationship between clinical and forceplate measures of postural stability. Hum Kinet J. 1999;8:71–2.
Burk JM, Munkasy BA, Joyner AB, et al. Balance error scoring system performance changes after a competitive athletic season. Clin J Sport Med. 2013;23:312–7.
Rahn C, Munkasy BA, Joyner AB, et al. Sideline performance of the balance error scoring system during a live sporting event. Clin J Sport Med. 2015;25:248–53.
Bell DR, Guskiewicz KM, Clark MA, et al. Systematic review of the balance error scoring system. Sports Health. 2011;3:287–95.
Valovich McLeod TC, Perrin DH, et al. Serial administration of clinical concussion assessments and learning effects in healthy young athletes. Clin J Sport Med. 2004;14:287–95.
Onate JA, Beck BC, Van Lunen BL. On-field testing environment and balance error scoring system performance during preseason screening of healthy collegiate baseball players. J Athl Train. 2007;42:446–51.
Broglio SP, Ferrara MS, Sopiarz K, et al. Reliable change of the sensory organization test. Clin J Sport Med. 2008;18:148–54.
Cavanaugh JT, Guskiewicz KM, Giuliani C, et al. Recovery of postural control after cerebral concussion: new insights using approximate entropy. J Athl Train. 2006;41:305–13.
Riemann BL, Lephart SM. The sensorimotor system, part I: the physiologic basis of functional joint stability. J Athl Train. 2002;37:71–9.
Howell DR, Osternig LR, Chou L-S. Dual-task effect on gait balance control in adolescents with concussion. Arch Phys Med Rehabil. 2013;94:1513–20.
Howell DR, Osternig LR, Chou L-S. Return to activity after concussion affects dual-task gait balance control recovery. Med Sci Sports Exerc. 2015;47:673–80.
Parker TM, Osternig LR, Van Donkelaar P, et al. Gait stability following concussion. Med Sci Sports Exerc. 2006;38:1032–40.
Studenski S, Perera S, Wallace D, et al. Physical performance measures in the clinical setting. J Am Geriatr Soc. 2003;51:314–22.
Sutherland DH, Olshen R, Cooper L, et al. The development of mature gait. J Bone Joint Surg Am. 1980;62:336–53.
Adolph KE, Vereijken B, Shrout PE. What changes in infant walking and why. Child Dev. 2003;74:475–97.
Wang J, Wai Y, Weng Y, et al. Functional MRI in the assessment of cortical activation during gait-related imaginary tasks. J Neural Transm. 2009;116:1087–92.
Godde B, Voelcker-Rehage C. More automation and less cognitive control of imagined walking movements in high- versus low-fit older adults. Front Aging Neurosci. 2010;2:pii: 139. https://doi.org/10.3389/fnagi.2010.00139.
Howell DR, Osternig LR, Chou L-S. Consistency and cost of dual-task gait balance measure in healthy adolescents and young adults. Gait Posture. 2016;49:176–80.
Howell DR, Oldham JR, DiFabio M, et al. Single-task and dual-task gait among collegiate athletes of different sport classifications: implications for concussion management. J Appl Biomech. 2017;33:24–31.
Oldham JR, Munkasy BA, Evans KM, et al. Altered dynamic postural control during gait termination following concussion. Gait Posture. 2016;49:437–42.
Buckley TA, Oldham JR, Munkasy BA, et al. Decreased anticipatory postural adjustments during gait initiation acutely post-concussion. Arch Phys Med Rehabil. 2017;98(10):1962–8.
Register-Mihalik JK, Littleton AC, Guskiewicz KM. Are divided attention tasks useful in the assessment and management of sport-related concussion? Neuropsychol Rev. 2013;23:300–13.
Howell DR, Osternig L, van Donkelaar P, et al. Effects of concussion on attention and executive function in adolescents. Med Sci Sports Exerc. 2013;45:1030–7.
Halterman CI, Langan J, Drew A, et al. Tracking the recovery of visuospatial attention deficits in mild traumatic brain injury. Brain. 2006;129:747–53.
Mayr U, Laroux C, Rolheiser T, et al. Executive dysfunction assessed with a task-switching task following concussion. PloS One. 2014;9:e91379.
Yogev-Seligmann G, Hausdorff JM, Giladi N. The role of executive function and attention in gait. Mov Disord. 2008;23:329–42.
Herman D, Zaremski JL, Vincent HK, et al. Effect of neurocognition and concussion on musculoskeletal injury risk. Curr Sports Med Rep. 2015;14:194–9.
Weiss K, Whatman C. Biomechanics associated with patellofemoral pain and ACL injuries in sports. Sports Med. 2015;45:1325–37.
Read PJ, Oliver JL, De Ste Croix MBA, et al. Neuromuscular risk factors for knee and ankle ligament injuries in male youth soccer players. Sports Med. 2016;46:1059–66.
Guy JA, Knight LM, Wang Y, et al. Factors associated with musculoskeletal injuries in children and adolescents with attention-deficit/hyperactivity disorder. Prim Care Companion CNS Disord. 2016 Jun 23;18(3). https://doi.org/10.4088/pcc.16m01937.
Howell DR, Osternig LR, Koester MC, et al. The effect of cognitive task complexity on gait stability in adolescents following concussion. Exp Brain Res. 2014;232:1773–82.
Fino PC. A preliminary study of longitudinal differences in local dynamic stability between recently concussed and healthy athletes during single and dual-task gait. J Biomech. 2016;49:1983–8.
Fait P, Swaine B, Cantin J-F, et al. Altered integrated locomotor and cognitive function in elite athletes 30 days postconcussion: a preliminary study. J Head Trauma Rehabil. 2013;28:293–301.
Sambasivan K, Grilli L, Gagnon I. Balance and mobility in clinically recovered children and adolescents after a mild traumatic brain injury. J Pediatr Rehabil Med. 2015;8:335–44.
Brooks MA, Peterson K, Biese K, et al. Concussion increases odds of sustaining a lower extremity musculoskeletal injury after return to play among collegiate athletes. Am J Sports Med. 2016;44:742–7.
Herman DC, Jones D, Harrison A, et al. Concussion may increase the risk of subsequent lower extremity musculoskeletal injury in collegiate athletes. Sports Med. 2017;47:1003–10.
Lynall RC, Mauntel TC, Padua DA, et al. Acute lower extremity injury rates increase after concussion in college athletes. Med Sci Sports Exerc. 2015;47:2487–92.
Cross M, Kemp S, Smith A, et al. Professional Rugby Union players have a 60% greater risk of time loss injury after concussion: a 2-season prospective study of clinical outcomes. Br J Sports Med. 2016;50:926–31.
Nordström A, Nordström P, Ekstrand J. Sports-related concussion increases the risk of subsequent injury by about 50% in elite male football players. Br J Sports Med. 2014;48:1447–50.
Gilbert FC, Burdette GT, Joyner AB, et al. Association between concussion and lower extremity injuries in collegiate athletes. Sports Health. 2016;8:561–7.
Moher D, Liberati A, Tetzlaff J, et al. Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. Ann Intern Med. 2009;151(264–9):W64.
McCrory P, Meeuwisse WH, Aubry 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.
Makdissi M, McCrory P, Ugoni A, et al. A prospective study of postconcussive outcomes after return to play in Australian football. Am J Sports Med. 2009;37:877–83.
Pietrosimone B, Golightly YM, Mihalik JP, et al. Concussion frequency associates with musculoskeletal injury in retired NFL players. Med Sci Sports Exerc. 2015;47:2366–72.
Burman E, Lysholm J, Shahim P, et al. Concussed athletes are more prone to injury both before and after their index concussion: a data base analysis of 699 concussed contact sports athletes. BMJ Open Sport Exerc Med. 2016;2:e000092.
Nyberg G, Mossberg KH, Lysholm J, et al. Subsequent traumatic injuries after a concussion in elite ice hockey: a study over 28 years. Curr Res Concussion. 2015;2:109–12.
Hägglund M, Waldén M, Ekstrand J. Previous injury as a risk factor for injury in elite football: a prospective study over two consecutive seasons. Br J Sports Med. 2006;40:767–72.
Arnason A, Sigurdsson SB, Gudmundsson A, et al. Risk factors for injuries in football. Am J Sports Med. 2004;32(1 Suppl.):5S–16S.
Beynnon BD, Murphy DF, Alosa DM. Predictive factors for lateral ankle sprains: a literature review. J Athl Train. 2002;37:376–80.
Hewett TE, Myer GD, Ford KR. Anterior cruciate ligament injuries in female athletes: part 1, mechanisms and risk factors. Am J Sports Med. 2006;34:299–311.
Martini DN, Sabin MJ, DePesa SA, et al. The chronic effects of concussion on gait. Arch Phys Med Rehabil. 2011;92:585–9.
Martini DN, Goulet GC, Gates DH, et al. Long-term effects of adolescent concussion history on gait, across age. Gait Posture. 2016;49:264–70.
Catena RD, van Donkelaar P, Chou L-S. The effects of attention capacity on dynamic balance control following concussion. J Neuroeng Rehabil. 2011;8:8.
Parker TM, Osternig LR, Lee H-J, et al. The effect of divided attention on gait stability following concussion. Clin Biomech. 2005;20:389–95.
Catena RD, Donkelaar P, Chou L-S. Cognitive task effects on gait stability following concussion. Exp Brain Res. 2006;176:23–31.
Howell DR, Osternig LR, Chou L-S. Monitoring recovery of gait balance control following concussion using an accelerometer. J Biomech. 2015;48:3364–8.
Catena R, van Donkelaar P, Chou LS. Different gait tasks distinguish immediate vs. long-term effects of concussion on balance control. J Neuroeng Rehabil. 2009;6:1–7.
Catena RD, van Donkelaar P, Chou L-S. Altered balance control following concussion is better detected with an attention test during gait. Gait Posture. 2007;25:406–11.
Chiu S-L, Osternig L, Chou L-S. Concussion induces gait inter-joint coordination variability under conditions of divided attention and obstacle crossing. Gait Posture. 2013;38:717–22.
Parker TM, Osternig LR, van Donkelaar P, et al. Balance control during gait in athletes and non-athletes following concussion. Med Eng Phys. 2008;30:959–67.
Howell DR, Osternig LR, Chou L-S. Adolescents demonstrate greater gait balance control deficits after concussion than young adults. Am J Sports Med. 2015;43:625–32.
Howell DR, Beasley M, Vopat L, et al. The effect of prior concussion history on dual-task gait following a concussion. J Neurotrauma. 2017;34:838–44.
Plisky PJ, Rauh MJ, Kaminski TW, et al. Star Excursion Balance Test as a predictor of lower extremity injury in high school basketball players. J Orthop Sports Phys Ther. 2006;36:911–9.
McGuine TA, Greene JJ, Best T, et al. Balance as a predictor of ankle injuries in high school basketball players. Clin J Sport Med. 2000;10:239–44.
Smith CA, Chimera NJ, Warren M. Association of Y balance test reach asymmetry and injury in Division I athletes. Med Sci Sports Exerc. 2015;47:136–41.
Zazulak BT, Hewett TE, Reeves NP, et al. Deficits in neuromuscular control of the trunk predict knee injury risk: a prospective biomechanical-epidemiologic study. Am J Sports Med. 2007;35:1123–30.
Hewett TE, Myer GD, Ford KR, et al. Biomechanical measures of neuromuscular control and valgus loading of the knee predict anterior cruciate ligament injury risk in female athletes: a prospective study. Am J Sports Med. 2005;33:492–501.
Padua DA, DiStefano LJ, Beutler AI, et al. The landing error scoring system as a screening tool for an anterior cruciate ligament injury-prevention program in elite-youth soccer athletes. J Athl Train. 2015;50:589–95.
Dubose DF, Herman DC, Jones DL, et al. Lower extremity stiffness changes after concussion in collegiate football players. Med Sci Sports Exerc. 2017;49:167–72.
Howell DR, Osternig LR, Chou L-S. Single-task and dual-task tandem gait test performance after concussion. J Sci Med Sport. 2017;20:622–6.
Kim AS, Needle AR, Thomas SJ, et al. A sex comparison of reactive knee stiffness regulation strategies under cognitive loads. Clin Biomech (Bristol, Avon). 2016;35:86–92.
Kipp K, Brown TN, McLean SG, et al. Decision making and experience level influence frontal plane knee joint biomechanics during a cutting maneuver. J Appl Biomech. 2013;29:756–62.
Brown TN, O’Donovan M, Hasselquist L, et al. Soldier-relevant loads impact lower limb biomechanics during anticipated and unanticipated single-leg cutting movements. J Biomech. 2014;47:3494–501.
Kim JH, Lee K-K, Ahn KO, et al. Evaluation of the interaction between contact force and decision making on lower extremity biomechanics during a side-cutting maneuver. Arch Orthop Trauma Surg. 2016;136:821–8.
Collins JD, Almonroeder TG, Ebersole KT, et al. The effects of fatigue and anticipation on the mechanics of the knee during cutting in female athletes. Clin Biomech (Bristol, Avon). 2016;35:62–7.
Holste KG, Yasen AL, Hill MJ, et al. Motor cortex inhibition is increased during a secondary cognitive task. Motor Control. 2016;20:380–94.
Corp DT, Rogers MA, Youssef GJ, et al. The effect of dual-task difficulty on the inhibition of the motor cortex. Exp Brain Res. 2016;234:443–52.
Fino PC, Nussbaum MA, Brolinson PG. Locomotor deficits in recently concussed athletes and matched controls during single and dual-task turning gait: preliminary results. J Neuroeng Rehabil. 2016;13:65.
Cossette I, Ouellet M-C, McFadyen BJ. A preliminary study to identify locomotor-cognitive dual tasks that reveal persistent executive dysfunction after mild traumatic brain injury. Arch Phys Med Rehabil. 2014;95:1594–7.
Powers KC, Cinelli ME, Kalmar JM. Cortical hypoexcitability persists beyond the symptomatic phase of a concussion. Brain Inj. 2014;28:465–71.
De Beaumont L, Mongeon D, Tremblay S, et al. Persistent motor system abnormalities in formerly concussed athletes. J Athl Train. 2011;46:234–40.
Livingston SC, Goodkin HP, Hertel JN, et al. Differential rates of recovery after acute sport-related concussion. J Clin Neurophysiol. 2012;29:23–32.
Livingston SC, Saliba EN, Goodkin HP, et al. A preliminary investigation of motor evoked potential abnormalities following sport-related concussion. Brain Inj. 2010;24:904–13.
Miller NR, Yasen AL, Maynard LF, et al. Acute and longitudinal changes in motor cortex function following mild traumatic brain injury. Brain Inj. 2014;28:1270–6.
Teel EF, Ray WJ, Geronimo AM, et al. Residual alterations of brain electrical activity in clinically asymptomatic concussed individuals: an EEG study. Clin Neurophysiol. 2014;125:703–7.
Howell DR, Oldham JR, Meehan WP, et al. Dual-task tandem gait and average walking speed in healthy collegiate athletes. Clin J Sport Med. 2017. https://doi.org/10.1097/jsm.0000000000000509 (Epub ahead of print).
Gardner RM, Yengo-Kahn A, Bonfield CM, et al. Comparison of baseline and post-concussion ImPACT test scores in young athletes with stimulant-treated and untreated ADHD. Phys Sportsmed. 2017;45:1–10.
Elbin RJ, Kontos AP, Kegel N, et al. Individual and combined effects of LD and ADHD on computerized neurocognitive concussion test performance: evidence for separate norms. Arch Clin Neuropsychol. 2013;28:476–84.
DiScala C, Lescohier I, Barthel M, et al. Injuries to children with attention deficit hyperactivity disorder. Pediatrics. 1998;102:1415–21.
Clendenin AA, Businelle MS, Kelley ML. Screening ADHD problems in the sports behavior checklist: factor structure, convergent and divergent validity, and group differences. J Atten Disord. 2005;8:79–87.
Osborn ZH, Blanton PD, Schwebel DC. Personality and injury risk among professional hockey players. J Inj Violence Res. 2009;1:15–9.
Lysens RJ, Ostyn MS, Vanden Auweele Y, et al. The accident-prone and overuse-prone profiles of the young athlete. Am J Sports Med. 1989;17:612–9.
Patel DR, Luckstead EF. Sport participation, risk taking, and health risk behaviors. Adolesc Med. 2000;11:141–55.
Swanik CB, Covassin T, Stearne DJ, et al. The relationship between neurocognitive function and noncontact anterior cruciate ligament injuries. Am J Sports Med. 2007;35:943–8.
Wilkerson GB. Neurocognitive reaction time predicts lower extremity sprains and strains. Int J Athl Ther Train. 2012;17:4–9.
Herman DC, Barth JT. Drop-jump landing varies with baseline neurocognition: implications for anterior cruciate ligament injury risk and prevention. Am J Sports Med. 2016;44:2347–53.
Dretsch MN, Silverberg N, Gardner AJ, et al. Genetics and other risk factors for past concussions in active-duty soldiers. J Neurotrauma. 2017;34:869–75.