Search Results - "Withnall, Chris"

Impact Performance of Modern Football Helmets by Viano, David C., Withnall, Chris, Halstead, David

“…Linear impact tests were conducted on 17 modern football helmets. The helmets were placed on the Hybrid III head with the neck attached to a sliding table. The…”
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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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Correction to: Impact Performance of Modern Football Helmets by Viano, David C., Withnall, Chris, Halstead, David

“…This erratum is to correct headings listing the impact location and speed in Figs. 5 and 6. The following provides corrected Figs. 5 and 6. The data is…”
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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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Analysis and comparison of lateral head impacts using various golf discs and a Hybrid III head form by Menickelli, Justin, Cooper, Christopher A., Withnall, Chris, Wonnacott, Michael

“…The potential for head injuries from discs specifically designed for the sport of disc golf has increased as more disc golf courses are constructed in…”
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Effect of Mouthguards on Head Responses and Mandible Forces in Football Helmet Impacts by Viano, David C., Withnall, Chris, Wonnacott, Michael

“…The potential for mouthguards to change the risk of concussion was studied in football helmet impacts. The Hybrid III head was modified with an articulating…”
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Concussion in professional football: performance of newer helmets in reconstructed game impacts--Part 13 by Viano, David C, Pellman, Elliot J, Withnall, Chris, Shewchenko, Nick

“…The performance of five newer helmets was compared with the baseline VSR-4 helmet in 10 reconstructed cases of National Football League (NFL) collisions…”
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Football Helmet Drop Tests on Different Fields Using an Instrumented Hybrid III Head by Viano, David C., Withnall, Chris, Wonnacott, Michael

“…An instrumented Hybrid III head was placed in a Schutt ION 4D football helmet and dropped on different turfs to study field types and temperature on head…”
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Concussion in professional football: helmet testing to assess impact performance--part 11 by Pellman, Elliot J, Viano, David C, Withnall, Chris, Shewchenko, Nick, Bir, Cynthia A, Halstead, P David

“…National Football League (NFL) concussions occur at an impact velocity of 9.3 +/- 1.9 m/s (20.8 +/- 4.2 mph) oblique on the facemask, side, and back of the…”
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Concussion in Professional Football by Viano, David C., Pellman, Elliot J., Withnall, Chris, Shewchenko, Nick

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Concussion in professional football : Helmet testing to assess impact performance-Part 11. Commentary by PELLMAN, Elliot J, VIANO, David C, WITHNALL, Chris, SHEWCHENKO, Nick, BIR, Cynthia A, HALSTEAD, P. David, HOSHIZAKI, Blaine T, LIU, Charles Y, HOVDA, David A

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Concussion in professional football : Performance of newer helmets in reconstructed game impacts-part 13. Commentary by VIANO, David C, PELLMAN, Elliot J, WITHNALL, Chris, SHEWCHENKO, Nick, LOVELL, Mark, MAROON, Joseph C, KONDZIOLKA, Douglas S, IDE, Thad, BAILES, Julian E, MIELE, Vincent J

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