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Gastrointestinal Cell Injury And Percieved Symptoms After Running The Boston Marathon, Malone T. Levanger, Melani R. Kelly, Dawn M. Emerson, Brendon P. Mcdermott, Whitley C. Atkins, Cory L. Butts, R Mark Laursen, Christopher Troyanos, Andrew Duckett, Jacob A. Siedlik
Gastrointestinal Cell Injury And Percieved Symptoms After Running The Boston Marathon, Malone T. Levanger, Melani R. Kelly, Dawn M. Emerson, Brendon P. Mcdermott, Whitley C. Atkins, Cory L. Butts, R Mark Laursen, Christopher Troyanos, Andrew Duckett, Jacob A. Siedlik
International Journal of Exercise Science: Conference Proceedings
Gastrointestinal (GI) disturbances are a prevalent cause of marathon related complaints, and in extreme cases can promote life-threatening conditions such as exertional heat stroke. PURPOSE: Our aim was to study intestinal cell injury (via intestinal fatty acid binding protein [I-FABP]) and perceived GI distress symptoms among marathon runners. Potential risk factors (e.g., inadequate sleep) that could exacerbate GI disturbances in healthy, trained endurance runners were also examined. METHODS: A parallel mixed-methods study design was utilized. 2019 Boston Marathon participants were recruited via email. Before the race subjects completed surveys describing demographics and training history. Immediately pre-race, post-race, and 24-hours post-race …
Fluid Intake And Hydration Responses To Mass Participation Gravel Cycling, Brandon Raik, Francis Salmon, Grace Handler, Matthew M. Schubert
Fluid Intake And Hydration Responses To Mass Participation Gravel Cycling, Brandon Raik, Francis Salmon, Grace Handler, Matthew M. Schubert
International Journal of Exercise Science: Conference Proceedings
Gravel cycling is a relatively new cycling discipline, with the Union Cycliste Internationale (UCI) hosting their first UCI Gravel World Championships in 2022. Gravel races combine features of road racing, cyclocross, and mountain biking, including various terrain of varying technical difficulty (paved roads, dirt roads, fire roads, single- and double-track trails), long distances, substantial vertical elevation gain, obstacles, and limited opportunities to stop for in-race nutrition. PURPOSE: To date, gravel racing has not been scientifically examined to determine the demands of the sport. Data from cycling road races indicate substantial fluid loss, which may impair exercise performance. This study assessed …
Impact Of Habitual Water Intake On Muscle Quality And Total Body Water-A Pilot Study, Kelly B. Elliott, Alan T. Ky, Casey Appell, Ryan Dunn, Nigel Jiwan, Cherish Dunlap, Ganesh C. Tallam, Hui-Ying Luk, Yasuki Sekiguchi
Impact Of Habitual Water Intake On Muscle Quality And Total Body Water-A Pilot Study, Kelly B. Elliott, Alan T. Ky, Casey Appell, Ryan Dunn, Nigel Jiwan, Cherish Dunlap, Ganesh C. Tallam, Hui-Ying Luk, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Proper hydration is essential for critical health and performance functions, such as muscle function and body fluid balance. The effect of acute hydration status has been studied on health and muscle performance; however, the effect of habitual water intake on muscle quality and total body water between high and low consumption has not been examined. PURPOSE: To determine the impact of habitual water intake on muscle quality and total body water. METHODS: Eleven women (age: 27.6±7.9 years; mass: 60.3±10.8 kg) provided a five-day dietary food log to categorize them into HIGH or LOW daily total water intake (TWI). …
Morning Versus Afternoon Body Mass In Free-Living Or Controlled Euhydration, Madi M. Pomroy, Marcos Keefe, Nigel Jiwan, Jan-Joseph S. Rolloque, Casey Appell, Courteney L. Benjamin, Hui-Ying Luk, Yasuki Sekiguchi
Morning Versus Afternoon Body Mass In Free-Living Or Controlled Euhydration, Madi M. Pomroy, Marcos Keefe, Nigel Jiwan, Jan-Joseph S. Rolloque, Casey Appell, Courteney L. Benjamin, Hui-Ying Luk, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
The standard protocol to assess hydration status is by measuring body mass in the early morning without controlling fluid intake. However, obtaining first-morning body mass is not necessarily feasible for many situations, for example, most physical activities take place in the afternoon. Thus, first-morning body mass might not be practical to assess hydration status. PURPOSE: To investigate first-morning body mass versus afternoon body mass in free- living and controlled euhydration. METHODS: 9 males (age: 21 ± 2; mass: 79.7 ± 17.8 kg) and 5 females (age: 22 ± 2; mass: 60.5 ± 13.6 kg) visited the laboratory in …