Declan A. Patton
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View article: Distribution of position-specific head impact severities among professional and Division I collegiate American football athletes during games
Distribution of position-specific head impact severities among professional and Division I collegiate American football athletes during games Open
Objective To compare the severity of head impacts between professional and Division I (D-I) collegiate football games for the purpose of improving protective equipment. Methods A total of 243 football players from the National Football Lea…
View article: Finite element brain deformation in adolescent soccer heading
Finite element brain deformation in adolescent soccer heading Open
Finite element (FE) modeling provides a means to examine how global kinematics of repetitive head loading in sports influences tissue level injury metrics. FE simulations of controlled soccer headers in two directions were completed using …
View article: Use of functional near-infrared spectroscopy to quantify neurophysiological deficits after repetitive head impacts in adolescent athletes
Use of functional near-infrared spectroscopy to quantify neurophysiological deficits after repetitive head impacts in adolescent athletes Open
There is concern that repetitive head impact exposure (RHIE) may lead to neurophysiological deficits in adolescents. Twelve high school varsity soccer players (5 female) completed the King-Devick (K-D) and complex tandem gait (CTG) assessm…
View article: Head Kinematics, Blood Biomarkers, and Histology in Large Animal Models of Traumatic Brain Injury and Hemorrhagic Shock
Head Kinematics, Blood Biomarkers, and Histology in Large Animal Models of Traumatic Brain Injury and Hemorrhagic Shock Open
Traumatic brain injury (TBI) and severe blood loss resulting in hemorrhagic shock (HS) are each leading causes of mortality and morbidity worldwide, and present additional treatment considerations when they are comorbid (TBI+HS) as a resul…
View article: Neurophysiological Effects of Repeated Soccer Heading in Youth
Neurophysiological Effects of Repeated Soccer Heading in Youth Open
Repeated head loading in sports is associated with negative long-term brain health, and there is growing evidence of short-term neurophysiological changes after repeated soccer heading. The objective of this study was to quantify the head …
View article: Radial and Oblique Impact Testing of Alpine Helmets onto Snow Surfaces
Radial and Oblique Impact Testing of Alpine Helmets onto Snow Surfaces Open
Recent studies have found that alpine helmets reduce the risk of focal injuries associated with radial impacts, which is likely due to current alpine helmet standards requiring helmets to be drop-tested on flat anvils with only linear acce…
View article: On-Field Deployment and Validation for Wearable Devices
On-Field Deployment and Validation for Wearable Devices Open
Wearable sensors are an important tool in the study of head acceleration events and head impact injuries in sporting and military activities. Recent advances in sensor technology have improved our understanding of head kinematics during on…
View article: Interactions between rearward-facing child restraint systems and the front row seatback in frontal impact sled tests
Interactions between rearward-facing child restraint systems and the front row seatback in frontal impact sled tests Open
Some child restraint system (CRS) manufacturers specify a minimum distance between the CRS and the seatback, whereas others require that the CRS may contact the seatback but cannot be “braced”; however, few studies have investigated these …
View article: Quantifying Head Impact Exposure, Mechanisms and Kinematics Using an Instrumented Mouthguard in Female High School Lacrosse
Quantifying Head Impact Exposure, Mechanisms and Kinematics Using an Instrumented Mouthguard in Female High School Lacrosse Open
Background: There is growing concern for the neurological effects of repetitive head impacts in sports, and girls’ lacrosse represents a popular but understudied sport regarding head impact exposure. Current debate exists over the need for…
View article: Non-Linear Device Head Coupling and Temporal Delays in Large Animal Acceleration Models of Traumatic Brain Injury
Non-Linear Device Head Coupling and Temporal Delays in Large Animal Acceleration Models of Traumatic Brain Injury Open
Accurate characterization of head kinematics following an external blow represents a fundamental aspect of traumatic brain injury (TBI) research. The majority of previous large animal studies have assumed an equivalent relationship between…
View article: Quantifying head impact exposure, mechanisms and kinematics using instrumented mouthguards in female high school lacrosse
Quantifying head impact exposure, mechanisms and kinematics using instrumented mouthguards in female high school lacrosse Open
Current debate exists regarding the need for protective headwear in female lacrosse. To inform this issue, the current study quantified head impact exposure, mechanisms and kinematics in female lacrosse using instrumented mouthguards. A fe…
View article: Pre- and post-season visio-vestibular function in healthy adolescent athletes
Pre- and post-season visio-vestibular function in healthy adolescent athletes Open
To evaluate pre – to post-season differences in individual subtests of the Visio-Vestibular Examination (VVE) in healthy middle and high school athletes. This prospective cohort study recruited participants from a private suburban United S…
View article: 163 Gender differences in head impact rate and mechanism in high school lacrosse
163 Gender differences in head impact rate and mechanism in high school lacrosse Open
Background There is debate as to whether protective headwear should be mandated in female lacrosse; however, a lack of quantitative evidence exists regarding the effectiveness of, and case for, protective headwear in female lacrosse. Objec…
View article: 460 Hits in rugby league: better never than late
460 Hits in rugby league: better never than late Open
Background A late hit in rugby league is when a player is tackled after passing or kicking the ball and is deemed player misconduct by the National Rugby League (NRL). During the 2019 season, the NRL cracked down on late hits as the struck…
View article: Rearward-Facing Infant Child Restraint Systems with Support Legs in Frontal and Frontal-Oblique Impacts
Rearward-Facing Infant Child Restraint Systems with Support Legs in Frontal and Frontal-Oblique Impacts Open
Previous studies of support legs in rearward-facing infant CRS models have focused on frontal impacts and have found that the presence of a support leg is associated with a reduction in head injury metrics. However, real-world crashes ofte…
View article: Pre- and post-season visio-vestibular function in healthy adolescent athletes
Pre- and post-season visio-vestibular function in healthy adolescent athletes Open
Visio-vestibular function as measured by the VVE does not change from pre - to post-season in otherwise healthy adolescent athletes. Our findings suggest that the VVE may be stable and robust to typical neurodevelopment occurring in this d…
View article: Reproducibility and Characterization of Head Kinematics During a Large Animal Acceleration Model of Traumatic Brain Injury
Reproducibility and Characterization of Head Kinematics During a Large Animal Acceleration Model of Traumatic Brain Injury Open
Acceleration parameters have been utilized for the last six decades to investigate pathology in both human and animal models of traumatic brain injury (TBI), design safety equipment, and develop injury thresholds. Previous large animal mod…
View article: NON-HEADER IMPACT EXPOSURE AND KINEMATICS OF MALE YOUTH SOCCER PLAYERS
NON-HEADER IMPACT EXPOSURE AND KINEMATICS OF MALE YOUTH SOCCER PLAYERS Open
Previous studies have investigated the head impact kinematics of purposeful heading in youth soccer; however, less than a third of all head injuries in youth soccer have been found to involve ball contact. The aim of the current study was …
View article: Sport- and Gender-Based Differences in Head Impact Exposure and Mechanism in High School Sports
Sport- and Gender-Based Differences in Head Impact Exposure and Mechanism in High School Sports Open
Background: Repeated head impacts sustained by athletes have been linked to short-term neurophysiologic deficits; thus, there is growing concern about the number of head impacts sustained in sports. Accurate head impact exposure data obtai…
View article: Variations in Head Impact Rates in Male and Female High School Soccer
Variations in Head Impact Rates in Male and Female High School Soccer Open
Introduction Repetitive head impacts in soccer have been linked to short-term neurophysiological deficits, and female soccer players have higher concussion rates than males. These findings have inspired investigation into gender difference…
View article: Pre- and post-season visio-vestibular function in healthy adolescent athletes
Pre- and post-season visio-vestibular function in healthy adolescent athletes Open
To evaluate pre – to post-season differences in individual subtests of the Visio-Vestibular Examination (VVE) in healthy middle and high school athletes. This prospective cohort study recruited participants from a private suburban United S…
View article: Helmet Fit Assessment and Concussion Risk in Youth Ice Hockey Players: A Nested Case-Control Study
Helmet Fit Assessment and Concussion Risk in Youth Ice Hockey Players: A Nested Case-Control Study Open
Context Injury surveillance has shown that concussions are the most common injury in youth ice hockey. Research examining the criteria for ensuring the correct fit of protective equipment and its potential relationship with concussion risk…
View article: Laboratory Assessment of a Headband-Mounted Sensor for Measurement of Head Impact Rotational Kinematics
Laboratory Assessment of a Headband-Mounted Sensor for Measurement of Head Impact Rotational Kinematics Open
Head impact sensors measure head kinematics in sports, and sensor accuracy is crucial for investigating the potential link between repetitive head loading and clinical outcomes. Many validation studies mount sensors to human head surrogate…
View article: A Review of Head Injury and Impact Biomechanics in Recreational Skiing and Snowboarding
A Review of Head Injury and Impact Biomechanics in Recreational Skiing and Snowboarding Open
© 2020, CIC Edizioni Internazionali s.r.l.. All rights reserved. Background. Skiing and snowboarding are popular competitive and recreational sports with associated head injury risks from impact hazards. Understanding head injury hazards a…
View article: Video Confirmation of Head Impact Sensor Data From High School Soccer Players
Video Confirmation of Head Impact Sensor Data From High School Soccer Players Open
Background: Recent advances in technology have enabled the development of head impact sensors, which provide a unique opportunity for sports medicine researchers to study head kinematics in contact sports. Studies have suggested that video…
View article: Clinical and Device-based Metrics of Gait and Balance in Diagnosing Youth Concussion
Clinical and Device-based Metrics of Gait and Balance in Diagnosing Youth Concussion Open
Purpose Evaluate the discriminatory ability of two clinical measures and one device-based measure of gait and balance for concussed youth. Methods We enrolled 81 cases and 90 controls age 14–18 yr old from August 2017 to June 2018. Control…
View article: Head injury mechanisms in FIS World Cup alpine and freestyle skiers and snowboarders
Head injury mechanisms in FIS World Cup alpine and freestyle skiers and snowboarders Open
Introduction Head injuries represent a concern in skiing and snowboarding, with traumatic brain injuries being the most common cause of death. Aim To describe the mechanisms of head and face injuries among World Cup alpine and freestyle sk…