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1,172 results on '"ARMSTRONG, LAWRENCE E."'

7. Hydration for health hypothesis: a narrative review of supporting evidence

Author

Perrier, Erica T., Armstrong, Lawrence E., Bottin, Jeanne H., Clark, William F., Dolci, Alberto, Guelinckx, Isabelle, Iroz, Alison, Kavouras, Stavros A., Lang, Florian, Lieberman, Harris R., Melander, Olle, Morin, Clementine, Seksek, Isabelle, Stookey, Jodi D., Tack, Ivan, Vanhaecke, Tiphaine, Vecchio, Mariacristina, and Péronnet, François

Published
2021
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10. Low daily water intake profile—is it a contributor to disease?

Author

Armstrong, Lawrence E, Bergeron, Michael F, Muñoz, Colleen X, and Kavouras, Stavros A

Abstract

Few previous review articles have focused on the associations between inadequate daily water intake (LOW) or urinary biomarkers of dehydration (UD; low urine volume or high urine osmolality) and multiple diseases. Accordingly, we conducted manual online searches (47 key words) of the PubMed, Embase, and Google Scholar databases with these inclusion criteria: English language, full-text, peer reviewed, no restriction on research design, and three publications minimum. Initially, 3,903 articles were identified based on their titles and abstracts. Evaluations of full length.pdf versions identified 96 studies that were acceptable for inclusion. We concluded that the evidence is insufficient or conflicting for seven disorders or diseases (i.e. suggesting the need for additional clarifying research) and it is lacking for all-cause mortality. Differential characterizations among women and men have been reported in the results of nine studies involving five diseases. Finally, the evidence for associations of LOW or UD is strong for both kidney stones and type 2 diabetes with hyperglycemia. This suggests that great public health value (i.e. reduced disease risk) may result from increased daily water intake—a simple and cost-effective dietary modification. [ABSTRACT FROM AUTHOR]

Published
2024
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11. Hyperthermia and Exertional Heatstroke During Running, Cycling, Open Water Swimming, and Triathlon Events.

Author

Armstrong, Lawrence E, Johnson, Evan C, Adams, William M, and Jardine, John F

Abstract

Abstracts, and subsequent reviews of full-length pdf versions identified 80 articles that were acceptable for inclusion. These articles indicated that event medical teams recognized hyperthermia and EHS in the majority of running and triathlon field studies (range, 58.8 to 85.7%), whereas few reports of hyperthermia and EHS appeared in cycling and open water swimming field studies (range, 0 to 20%). Sports medicine position statements and consensus reports also exhibited these event-specific differences. Thus, we proposed mechanisms that involved physiological effector responses (sweating, increased skin blood flow) and biophysical heat transfer to the environment (evaporation, convection, radiation, and conduction). We anticipate that the above information will help race directors to distribute pre-race safety advice to athletes and will assist medical directors to better allocate medical resources (eg, staff number and skill sets, medical equipment) and optimize the management of hyperthermia and EHS. [ABSTRACT FROM AUTHOR]

Published
2024
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12. Hydration

Author

Ganio, Matthew S., Armstrong, Lawrence E., Kavouras, Stavros A., and Casa, Douglas J., editor

Published
2018
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18. Top 10 Research Questions Related to Preventing Sudden Death in Sport and Physical Activity

Author

Katch, Rachel K., Scarneo, Samantha E., Adams, William M., Armstrong, Lawrence E., Belval, Luke N., Stamm, Julie M., and Casa, Douglas J.

Abstract

Participation in organized sport and recreational activities presents an innate risk for serious morbidity and mortality. Although death during sport or physical activity has many causes, advancements in sports medicine and evidence-based standards of care have allowed clinicians to prevent, recognize, and treat potentially fatal injuries more effectively. With the continual progress of research and technology, current standards of care are evolving to enhance patient outcomes. In this article, we provided 10 key questions related to the leading causes and treatment of sudden death in sport and physical activity, where future research will support safer participation for athletes and recreational enthusiasts. The current evidence indicates that most deaths can be avoided when proper strategies are in place to prevent occurrence or provide optimal care.

Published
2017
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28. Impact of Nutrient Intake During Exercise on Hydration Markers Following Exercise and Rehydration: 2056 Board #212 May 30 2:00 PM - 3:30 PM

Author

Munoz, Colleen X., Johnson, Evan C., Kunces, Laura J., McKenzie, Amy L., Wininger, Michael, Butts, Cory, Caldwell, Aaron, Seal, Adam, McDermott, Brendon P., Vingren, Jakob L., Boyette, James, Melford, Colin, Colburn, Abigail, Wright, Skylar, Dadzie, Ekow, Lopez, Virgilio, Armstrong, Lawrence E., and Lee, Elaine C.

Published
2019
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37. Hydration Biomarker and Plasma Copeptin Variability in Response to Partial Rehydration After Exercise-Induced Dehydration: 1418 Board #226 May 31 8: 00 AM - 9: 30 AM

Author

Munoz, Colleen X., Johnson, Evan C., Kunces, Laura J., McKenzie, Amy L., Butts, Corey, Caldwell, Aaron, Seal, Adam, McDermott, Brendon P., Vingren, Jakob L., Boyette, James, Melford, Colin, Colburn, Abigail, Wright, Skylar, Dadzie, Ekow, Lopez, Virgilio, Armstrong, Lawrence E., and Lee, Elaine C.

Published
2018
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50. Effect of Overhydration on Time-Trial Swim Performance.

Author

Maresh, Carl M., Bergeron, Michael E., Kenefick, Robert W., Castellani, John W., Hoffman, Jay R., and Armstrong, Lawrence E.

Abstract

Examined whether moderate overhydration would enhance the performance of otherwise euhydrated collegiate swimmers during two 183-meter time-trial swims held 3 days apart. Participants swam in alternate, randomized euhydrated, and overhydrated states. Results indicated that euhydration before an intense, short-duration swim was adequate for peak performance, and overhydration provided no performance advantage. (SM)

Published
2001

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