Search Results - "Greenwald, Richard M."

Head impact severity measures for evaluating mild traumatic brain injury risk exposure by Greenwald, Richard M, Gwin, Joseph T, Chu, Jeffrey J, Crisco, Joseph J

“…The aims of this study were to quantify the sensitivity of various biomechanical measures (linear acceleration, rotational acceleration, impact duration, and…”
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Rotational Head Kinematics in Football Impacts: An Injury Risk Function for Concussion by Rowson, Steven, Duma, Stefan M., Beckwith, Jonathan G., Chu, Jeffrey J., Greenwald, Richard M., Crisco, Joseph J., Brolinson, P. Gunnar, Duhaime, Ann-Christine, McAllister, Thomas W., Maerlender, Arthur C.

“…Recent research has suggested a possible link between sports-related concussions and neurodegenerative processes, highlighting the importance of developing…”
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Head Impact Exposure Sustained by Football Players on Days of Diagnosed Concussion by BECKWITH, Jonathan G, GREENWALD, Richard M, ANDERSON, Scott, SCHNEBEL, Brock, GUNNAR BROLINSON, P, COLLINS, Michael W, CHU, Jeffrey J, CRISCO, Joseph J, ROWSON, Steven, DUMA, Stefan M, BROGLIO, Steven P, MCALLISTER, Thomas W, GUSKIEWICZ, Kevin M, MIHALIK, Jason P

“…This study compares the frequency and severity of head impacts sustained by football players on days with and without diagnosed concussion and to identify the…”
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Frequency and location of head impact exposures in individual collegiate football players by Crisco, Joseph J, Fiore, Russell, Beckwith, Jonathan G, Chu, Jeffrey J, Brolinson, Per Gunnar, Duma, Stefan, McAllister, Thomas W, Duhaime, Ann-Christine, Greenwald, Richard M

“…Measuring head impact exposure is a critical step toward understanding the mechanism and prevention of sport-related mild traumatic brain (concussion) injury,…”
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Collision type and player anticipation affect head impact severity among youth ice hockey players by Mihalik, Jason P, Blackburn, J Troy, Greenwald, Richard M, Cantu, Robert C, Marshall, Stephen W, Guskiewicz, Kevin M

“…The objective was to determine how body collision type and player anticipation affected the severity of head impacts sustained by young athletes. For…”
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Can helmet design reduce the risk of concussion in football? by Rowson, Steven, Duma, Stefan M, Greenwald, Richard M, Beckwith, Jonathan G, Chu, Jeffrey J, Guskiewicz, Kevin M, Mihalik, Jason P, Crisco, Joseph J, Wilcox, Bethany J, McAllister, Thomas W, Maerlender, Arthur C, Broglio, Steven P, Schnebel, Brock, Anderson, Scott, Brolinson, P Gunnar

“…Of all sports, football accounts for the highest incidence of concussion in the US due to the large number of athletes participating and the nature of the…”
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Timing of Concussion Diagnosis Is Related to Head Impact Exposure Prior to Injury by BECKWITH, Jonathan G, GREENWALD, Richard M, ANDERSON, Scott, SCHNEBEL, Brock, GUNNAR BROLINSON, P, COLLINS, Michael W, CHU, Jeffrey J, CRISCO, Joseph J, ROWSON, Steven, DUMA, Stefan M, BROGLIO, Steven P, MCALLISTER, Thomas W, GUSKIEWICZ, Kevin M, MIHALIK, Jason P

“…Concussions are commonly undiagnosed in an athletic environment because the postinjury signs and symptoms may be mild, masked by the subject, or unrecognized…”
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A six degree of freedom head acceleration measurement device for use in football by Rowson, Steven, Beckwith, Jonathan G, Chu, Jeffrey J, Leonard, Daniel S, Greenwald, Richard M, Duma, Stefan M

“…The high incidence rate of concussions in football provides a unique opportunity to collect biomechanical data to characterize mild traumatic brain injury. The…”
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Does Cervical Muscle Strength in Youth Ice Hockey Players Affect Head Impact Biomechanics? by Mihalik, Jason P, Guskiewicz, Kevin M, Marshall, Stephen W, Greenwald, Richard M, Blackburn, J Troy, Cantu, Robert C

“…OBJECTIVE:To evaluate the effect of cervical muscle strength on head impact biomechanics. DESIGN:Prospective cohort. SETTING:Field setting…”
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Magnitude of head impact exposures in individual collegiate football players by Crisco, Joseph J, Wilcox, Bethany J, Machan, Jason T, McAllister, Thomas W, Duhaime, Ann-Christine, Duma, Stefan M, Rowson, Steve, Beckwith, Jonathan G, Chu, Jeffrey J, Greenwald, Richard M

“…The purpose of this study was to quantify the severity of head impacts sustained by individual collegiate football players and to investigate differences…”
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Analysis of Real-time Head Accelerations in Collegiate Football Players by Duma, Stefan M, Manoogian, Sarah J, Bussone, William R, Brolinson, P Gunnar, Goforth, Mike W, Donnenwerth, Jesse J, Greenwald, Richard M, Chu, Jeffrey J, Crisco, Joseph J

“…OBJECTIVE:To measure and analyze head accelerations during American collegiate football practices and games. METHODS:A newly developed in-helmet…”
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An algorithm for estimating acceleration magnitude and impact location using multiple nonorthogonal single-axis accelerometers by Crisco, Joseph J, Chu, Jeffrey J, Greenwald, Richard M

“…Accelerations of the head are the likely cause of concussion injury, but identifying the specific etiology of concussion has been difficult due to the lack of…”
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Measuring Head Kinematics in Football: Correlation Between the Head Impact Telemetry System and Hybrid III Headform by Beckwith, Jonathan G., Greenwald, Richard M., Chu, Jeffrey J.

“…Over the last decade, advances in technology have enabled researchers to evaluate concussion biomechanics through measurement of head impacts sustained during…”
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Effect of head impacts on diffusivity measures in a cohort of collegiate contact sport athletes by McAllister, Thomas W, Ford, James C, Flashman, Laura A, Maerlender, Arthur, Greenwald, Richard M, Beckwith, Jonathan G, Bolander, Richard P, Tosteson, Tor D, Turco, John H, Raman, Rema, Jain, Sonia

“…OBJECTIVE:To determine whether exposure to repetitive head impacts over a single season affects white matter diffusion measures in collegiate contact sport…”
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Maximum Principal Strain and Strain Rate Associated with Concussion Diagnosis Correlates with Changes in Corpus Callosum White Matter Indices by McAllister, Thomas W., Ford, James C., Ji, Songbai, Beckwith, Jonathan G., Flashman, Laura A., Paulsen, Keith, Greenwald, Richard M.

“…On-field monitoring of head impacts, combined with finite element (FE) biomechanical simulation, allow for predictions of regional strain associated with a…”
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Group-wise evaluation and comparison of white matter fiber strain and maximum principal strain in sports-related concussion by Ji, Songbai, Zhao, Wei, Ford, James C, Beckwith, Jonathan G, Bolander, Richard P, Greenwald, Richard M, Flashman, Laura A, Paulsen, Keith D, McAllister, Thomas W

“…Sports-related concussion is a major public health problem in the United States and yet its biomechanical mechanisms remain unclear. In vitro studies…”
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Head impact exposure in collegiate football players by Crisco, Joseph J, Wilcox, Bethany J, Beckwith, Jonathan G, Chu, Jeffrey J, Duhaime, Ann-Christine, Rowson, Steven, Duma, Stefan M, Maerlender, Arthur C, McAllister, Thomas W, Greenwald, Richard M

“…Abstract In American football, impacts to the helmet and the resulting head accelerations are the primary cause of concussion injury and potentially chronic…”
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Spectrum of acute clinical characteristics of diagnosed concussions in college athletes wearing instrumented helmets by DUHAIME, Ann-Christine, BECKWITH, Jonathan G, GREENWALD, Richard M, MAERLENDER, Arthur C, MCALLISTER, Thomas W, CRISCO, Joseph J, DUMA, Stefan M, GUNNAR BROLINSON, P, ROWSON, Steven, FLASHMAN, Laura A, CHU, Jeffrey J

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Ice Hockey Summit II: Zero Tolerance for Head Hits and Fighting by Smith, Aynsley M., RN, PhD, Stuart, Michael J., MD, Dodick, David W., MD, Roberts, William O., MD, FACSM, Alford, Patrick W., PhD, Ashare, Alan B., MD, Aubrey, Mark, MD, Benson, Brian W., MD, PhD, Burke, Chip J., MD, Dick, Randall, MS, FACSM, Eickhoff, Chad, ATR, ATC, Emery, Carolyn A., PhD, Flashman, Laura A., PhD, Gaz, Daniel V., MSc, Giza, Chris C., MD, Greenwald, Richard M., PhD, Herring, Stanley A., PhD, FACSM, Hoshizaki, T. Blaine, PhD, Hudziak, James J., MD, PhD, Huston, John, MD, Krause, David, PT, DSc, LaVoi, Nicole, PhD, Leaf, Matt, Leddy, John J., MD, MacPherson, Allison, PhD, McKee, Ann C., MD, Mihalik, Jason P., PhD, Moessner, Anne M., RN, CNS, Montelpare, William J., PhD, Putukian, Margot, MD, FACSM, Schneider, Kathryn J., PhD, Szalkowski, Ron, Tabrum, Mark, Whitehead, James R, Wiese-Bjornstal, Diane M., PhD

“…Abstract Objective To present currently known basic science and on-ice influences of sport related concussion (SRC) in hockey, building upon the Ice Hockey…”
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Development of a Concussion Risk Function for a Youth Population Using Head Linear and Rotational Acceleration by Campolettano, Eamon T., Gellner, Ryan A., Smith, Eric P., Bellamkonda, Srinidhi, Tierney, Casey T., Crisco, Joseph J., Jones, Derek A., Kelley, Mireille E., Urban, Jillian E., Stitzel, Joel D., Genemaras, Amaris, Beckwith, Jonathan G., Greenwald, Richard M., Maerlender, Arthur C., Brolinson, Per Gunnar, Duma, Stefan M., Rowson, Steven

“…Physical differences between youth and adults, which include incomplete myelination, limited neck muscle development, and a higher head-body ratio in the youth…”
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