Search Results - "Funk, James"

A reanalysis of football impact reconstructions for head kinematics and finite element modeling by Sanchez, Erin J., Gabler, Lee F., Good, Ann B., Funk, James R., Crandall, Jeff R., Panzer, Matthew B.

“…Head kinematics generated by laboratory reconstructions of professional football helmet impacts have been applied to computational models to study the…”
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Measuring Head Acceleration Like a CHAMP by Arbogast, Kristy B, Funk, James R, Solomon, Gary, Crandall, Jeff

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Best Practices for Conducting Physical Reconstructions of Head Impacts in Sport by Funk, James R., McIntosh, Andrew S., Withnall, Chris, Wonnacott, Michael, Jadischke, Ron

“…Physical reconstructions are a valuable methodology for quantifying head kinematics in sports impacts. By recreating the motion of human heads observed in…”
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Validation of Concussion Risk Curves for Collegiate Football Players Derived from HITS Data by Funk, James R., Rowson, Steven, Daniel, Ray W., Duma, Stefan M.

“…For several years, Virginia Tech and other schools have measured the frequency and severity of head impacts sustained by collegiate American football players…”
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Thermochemical hydrogen production: past and present by FUNK, James E

“…The processes for hydrogen production discussed in this paper are those for which water is the only material input and hydrogen and oxygen are the only…”
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Laboratory Reconstructions of Concussive Helmet-to-Helmet Impacts in the National Football League by Funk, James R., Jadischke, Ron, Bailey, Ann, Crandall, Jeff, McCarthy, Joe, Arbogast, Kristy, Myers, Barry

“…Seventeen concussive helmet-to-helmet impacts occurring in National Football League (NFL) games were analyzed using video footage and reconstructed by…”
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Consensus Head Acceleration Measurement Practices (CHAMP): Origins, Methods, Transparency and Disclosure by Arbogast, Kristy B., Caccese, Jaclyn B., Buckley, Thomas A., McIntosh, Andrew S., Henderson, Kyvory, Stemper, Brian D., Solomon, Gary, Broglio, Steven P., Funk, James R., Crandall, Jeff R.

“…The use of head kinematic measurement devices has recently proliferated owing to technology advances that make such measurement more feasible. In parallel,…”
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Video Analysis of Reported Concussion Events in the National Football League During the 2015-2016 and 2016-2017 Seasons by Lessley, David J., Kent, Richard W., Funk, James R., Sherwood, Christopher P., Cormier, Joseph M., Crandall, Jeff R., Arbogast, Kristy B., Myers, Barry S.

“…Background: Concussions in American football remain a high priority of sports injury prevention programs. Detailed video review provides important information…”
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Comparison of Laboratory and On-Field Performance of American Football Helmets by Bailey, Ann M., McMurry, Timothy L., Cormier, Joseph M., Funk, James R., Crandall, Jeff R., Mack, Christina D., Myers, Barry S., Arbogast, Kristy B.

“…The relationship between laboratory and on-field performance of football helmets was assessed for 31 football helmet models selected from those worn by players…”
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Development and Evaluation of a Test Method for Assessing the Performance of American Football Helmets by Bailey, Ann M., Sanchez, Erin J., Park, Gwansik, Gabler, Lee F., Funk, James R., Crandall, Jeff R., Wonnacott, Michael, Withnall, Chris, Myers, Barry S., Arbogast, Kristy B.

“…As more is learned about injury mechanisms of concussion and scenarios under which injuries are sustained in football games, methods used to evaluate…”
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Characterization of Concussive Events in Professional American Football Using Videogrammetry by Bailey, Ann M., Sherwood, Christopher P., Funk, James R., Crandall, Jeff R., Carter, Neal, Hessel, David, Beier, Stephen, Neale, William

“…Sports concussions offer a unique opportunity to study head kinematics associated with mild traumatic brain injury. In this study, a model-based image matching…”
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Laboratory Evaluation of Shell Add-On Products for American Football Helmets for Professional Linemen by Bailey, Ann M., Funk, James R., Crandall, Jeff R., Myers, Barry S., Arbogast, Kristy B.

“…The Guardian Cap NXT (GC NXT) and the ProTech Helmet Cap (ProTech) are commercially available aftermarket products designed to augment the energy attenuation…”
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Ankle injury mechanisms: Lessons learned from cadaveric studies by Funk, James R.

“…The biomechanics of ankle injury have been studied extensively, primarily through mechanical testing of human cadavers. Cadaveric testing is an invaluable…”
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The Effect of Muscle Activation on Head Kinematics During Non-injurious Head Impacts in Human Subjects by Reynier, Kristen A., Alshareef, Ahmed, Sanchez, Erin J., Shedd, Daniel F., Walton, Samuel R., Erdman, Nicholas K., Newman, Benjamin T., Giudice, J. Sebastian, Higgins, Michael J., Funk, James R., Broshek, Donna K., Druzgal, Thomas J., Resch, Jacob E., Panzer, Matthew B.

“…In this study, twenty volunteers were subjected to three, non-injurious lateral head impacts delivered by a 3.7 kg padded impactor at 2 m/s at varying levels…”
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Position-Specific Circumstances of Concussions in the NFL: Toward the Development of Position-Specific Helmets by Lessley, David J., Kent, Richard W., Cormier, Joseph M., Sherwood, Christopher P., Funk, James R., Crandall, Jeff R., Myers, Barry S., Arbogast, Kristy B.

“…Consideration of position-specific features of the NFL concussion environment could enable improved risk mitigation through the design of position-specific…”
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Head and Neck Loading in Everyday and Vigorous Activities by Funk, James R, Cormier, Joseph M, Bain, Charles E, Guzman, Herb, Bonugli, Enrique, Manoogian, Sarah J

“…The purpose of this study was to document head and neck loading in a group of ordinary people engaged in non-injurious everyday and more vigorous physical…”
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Evaluation of biofidelity and repeatability of THOR-Lx metric under axial impact loading by Kim, Taewung, Funk, James R., Bollapragada, Varun, Ye, Xin, Crandall, Jeff

“…This study evaluated biofidelity and repeatability of THOR-Lx under two axial impact loading conditions. Four cadaveric lower limbs were tested under a 3.1 m/s…”
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Comparison of risk factors for cervical spine, head, serious, and fatal injury in rollover crashes by Funk, James R., Cormier, Joseph M., Manoogian, Sarah J.

“…[Display omitted] ► We examined the rate of cervical spine, head, serious, and fatal injury in rollover crashes. ► Ejection, seatbelt nonuse, more rolls, and…”
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The potential for health risks from intrusion of contaminants into the distribution system from pressure transients by LeChevallier, Mark W, Gullick, Richard W, Karim, Mohammad R, Friedman, Melinda, Funk, James E

“…The potential for public health risks associated with intrusion of contaminants into water supply distribution systems resulting from transient low or negative…”
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Kinematics and kinetics of vigorous head shaking by Funk, James R, Watson, Richard A, Cormier, Joseph M, Guzman, Herb, Bonugli, Enrique

“…Previous studies on neck muscle strength and motion have assumed or imposed varying constraints on the heads and bodies of the subjects. In this study, we…”
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