A5066792463- Traumatic Brain Injury Research
- Injury Epidemiology and Prevention
- Automotive and Human Injury Biomechanics
- Sports injuries and prevention
- Cardiac Arrest and Resuscitation
- Traumatic Brain Injury and Neurovascular Disturbances
- Traumatic Ocular and Foreign Body Injuries
- Traffic and Road Safety
- Facial Trauma and Fracture Management
- Radiation Dose and Imaging
- Winter Sports Injuries and Performance
- Shoulder Injury and Treatment
- Cardiovascular Effects of Exercise
- S100 Proteins and Annexins
- Dental Trauma and Treatments
- Meta-analysis and systematic reviews
- Orthopedic Surgery and Rehabilitation
- Musculoskeletal pain and rehabilitation
- Trauma Management and Diagnosis
- Autopsy Techniques and Outcomes
- Quality and Safety in Healthcare
- Trauma and Emergency Care Studies
- Climate Change and Health Impacts
- Orthodontics and Dentofacial Orthopedics
- Forensic Anthropology and Bioarchaeology Studies
Virginia Tech
2016-2025
Leeds Beckett University
2024-2025
Virginia Tech - Wake Forest University School of Biomedical Engineering & Sciences
2008-2024
University of Michigan
2020-2024
Vanderbilt University Medical Center
2024
University of Georgia
2024
Spaulding Rehabilitation Hospital
2020
Medical College of Wisconsin
2020
University of Florida
2018
Brown University
2016
Abstract Recent research has suggested a possible link between sports-related concussions and neurodegenerative processes, highlighting the importance of developing methods to accurately quantify head impact tolerance. The use kinematic parameters predict brain injury been because they are indicative inertial response brain. objective this study is characterize rotational kinematics associated with concussive impacts using large acceleration dataset collected from human subjects. helmets 335...
The objective of this study was to investigate potential for traumatic brain injuries (TBI) using a newly developed, geometrically detailed, finite element head model (FEHM) within the concept simulated injury monitor (SIMon). new FEHM is comprised several parts: cerebrum, cerebellum, falx, tentorium, combined pia-arachnoid complex (PAC) with cerebro-spinal fluid (CSF), ventricles, brainstem, and parasagittal blood vessels. model's topology derived from human computer tomography (CT) scans...
Recent research has suggested possible long term effects due to repetitive concussions, highlighting the importance of developing methods accurately quantify concussion risk. This study introduces a new injury metric, combined probability concussion, which computes overall risk based on peak linear and rotational accelerations experienced by head during impact. The is unique in that it determines likelihood sustaining for given impact, regardless whether would be reported or not. curve was...
The head impact exposure for athletes involved in football at the college and high school levels has been well documented; however, of youth population with yet to be investigated, despite its dramatically larger population. objective this study was investigate football. Impacts were monitored using a custom 12 accelerometer array equipped inside helmets seven players aged 7-8 years old during each game practice an entire season. A total 748 impacts collected from 7 participating season,...
<h3>Importance</h3> There is potential scientific and clinical value in validation of objective biomarkers for sport-related concussion (SRC). <h3>Objective</h3> To investigate the association acute-phase blood biomarker levels with SRC collegiate athletes. <h3>Design, Setting, Participants</h3> This multicenter, prospective, case-control study was conducted by National Collegiate Athletic Association (NCAA) US Department Defense Concussion Assessment, Research, Education (CARE) Consortium...
Each year, between 1.6×106 and 3.8×106 concussions are sustained by athletes playing sports, with football having the highest incidence. The high number of in provides a unique opportunity to collect biomechanical data characterize mild traumatic brain injury. Human head acceleration for range impact severities were collected instrumenting helmets collegiate players accelerometers. ten Virginia Tech instrumented measurement devices every game practice 2007 season. recorded linear angular...
Head impact exposure in youth football has not been well-documented, despite children under the age of 14 accounting for 70% all players United States. The objective this study was to quantify head players, 9–12, practices and games over course single season. A total 50 (age = 11.0 ± 1.1 years) on three teams were equipped with helmet mounted accelerometer arrays, which monitored each sustained during games. During season, 11,978 impacts recorded group. Players averaged 240 147 season linear...
Purpose This study compares the frequency and severity of head impacts sustained by football players on days with without diagnosed concussion to identify sensitivity specificity single-impact measures injury. Methods One thousand two hundred eight from collegiate teams six high school wore instrumented helmets measure during all team sessions, which 95 were concussion. Eight injuries one three, providing 105 injury cases. Measures kinematics (peak linear rotational acceleration, Gadd index,...
Background: Timely removal from activity after concussion symptoms remains problematic despite heightened awareness. Previous studies indicated potential adverse effects of continuing to participate in physical immediately sustaining a concussion. Hypothesis/Purpose: The purpose was determine the effect timing play on clinical outcomes. It hypothesized that immediate sport-related (SRC) would be associated with less time missed sport, shorter symptomatic period, and better outcomes acute...
Objective: The aim of this study was to quantify head impact exposure for a collegiate women's soccer team over the course 2014 season. Design: Observational and prospective study. Setting: Virginia Tech games practices. Participants: Twenty-six level players with mean player age 19 ± 1. Interventions: Participating were instrumented sensors biomechanical analysis. Video recordings each event used manually verify sustained. Main Outcome Measures: Head counts by position situation. Results:...
The high incidence rate of concussions in football provides a unique opportunity to collect biomechanical data characterize mild traumatic brain injury. goal this study was validate six degree freedom (6DOF) measurement device with 12 single-axis accelerometers that uses novel algorithm compute linear and angular head accelerations for each axis the head. 6DOF can be integrated into existing helmets is capable wireless transmission. A helmet equipped fitted Hybrid III instrumented 9...
Of all sports, football accounts for the highest incidence of concussion in US due to large number athletes participating and nature sport. While there is general agreement that can be reduced through rule changes teaching proper tackling technique, remains debate as whether helmet design may also reduce concussion. A retrospective analysis was performed head impact data collected from 1833 collegiate players who were instrumented with helmet-mounted accelerometer arrays games practices....
Concussive head injuries have received much attention in the medical and public arenas, as concerns been raised about potential short- long-term consequences of sustained sports other activities. While many student athletes required evaluation after concussion, exact definition concussion has varied among disciplines over time. The authors used data gathered part a multiinstitutional longitudinal study biomechanics impacts helmeted collegiate to characterize what signs, symptoms, clinical...
The purpose of this study was to quantify the severity head impacts sustained by individual collegiate football players and investigate differences between during practice game sessions, as well player position impact location. Head ( N = 184,358) were analyzed for 254 at three institutions. In practice, 50th 95th percentile values 20.0 g 49.5 peak linear acceleration, 1187 rad/s 2 3147 rotational 13.4 29.9 HITsp, respectively. Only HITsp increased significantly in games compared with...
Concussions are commonly undiagnosed in an athletic environment because the postinjury signs and symptoms may be mild, masked by subject, or unrecognized. This study compares measures of head impact frequency, location, kinematic response before cases immediate delayed concussion diagnosis. Football players from eight collegiate six high school teams wore instrumented helmets during play (n = 1208), which 95 were diagnosed with (105 total cases). Acceleration data recorded reduced to five...
Optimizing the protective capabilities of helmets is one several methods reducing brain injury risk in sports. This paper presents experimental and analytical development a hockey helmet evaluation methodology. The Summation Tests for Analysis Risk (STAR) formula combines head impact exposure with probability over broad range 227 impacts that player likely to experience during season. These data are mapped laboratory testing parameters using series 12 conditions comprised three energy levels...
Studies of football athletes have implicated repetitive head impact exposure in the onset cognitive and brain structural changes, even absence diagnosed concussion. Those studies imply accumulating damage from successive impacts reduces tolerance increases risk for Support this premise is that biomechanics resulting concussion are often not remarkable when compared to sustained by without Accordingly, analysis quantified a cohort 50 concussed NCAA Division I FBS college controls were matched...
Objectives Assess the validity and feasibility of current instrumented mouthguards (iMGs) associated systems. Methods Phase I; four iMG systems (Biocore-Football Research Inc (FRI), HitIQ, ORB, Prevent) were compared against dummy headform laboratory criterion standards (25, 50, 75, 100 g ). II; evaluated for on-field iMG-triggered events video-verification to determine true-positives, false-positives false-negatives (20±9 player matches per iMG). III; by 18 rugby players, perceptions fit ,...