Results 11 to 20 of about 257,841 (286)

Feeding Tolerance, Glucose Availability, and Whole-Body Total Carbohydrate and Fat Oxidation in Male Endurance and Ultra-Endurance Runners in Response to Prolonged Exercise, Consuming a Habitual Mixed Macronutrient Diet and Carbohydrate Feeding During Exercise

Frontiers in Physiology, 2022
Using metadata from previously published research, this investigation sought to explore: (1) whole-body total carbohydrate and fat oxidation rates of endurance (e.g., half and full marathon) and ultra-endurance runners during an incremental exercise test
Christopher E. Rauch, Alan J. McCubbin, Stephanie K. Gaskell, Ricardo J. S. Costa   +3 more
doaj   +1 more source

High fat diet improves metabolic flexibility during progressive exercise to exhaustion (VO 2 max testing) and during 5km running time trials

Biology of Sport, 2022
Recently we reported similar performances in both progressive tests to exhaustion (VO 2 max) and 5km running time trials (5KTT) after consuming low-carbohydrate, high-fat (LCHF) or high-carbohydrate, low-fat (HCLF) diets.
Philip Prins, Timothy Noakes, Jeffrey Buxton, Gary Welton, Amy Raabe, Katie Scott, Adam Atwell, Sarah Haley, Noah Esbenshade, Jacqueline Abraham   +9 more
doaj   +1 more source

Acute Administration of Exogenous Lactate Increases Carbohydrate Metabolism during Exercise in Mice

Metabolites, 2021
In this study, we investigated the effects of exogenous lactate administration before exercise on energy substrate utilization during exercise. Mice were divided into exercise control (EX) and exercise with lactate intake (EXLA) groups; saline/lactate ...
Inkwon Jang, Jisu Kim, Sunghwan Kyun, Deunsol Hwang, Kiwon Lim   +4 more
doaj   +1 more source

Effect of high and low glycaemic index recovery diets on intramuscular lipid oxidation during aerobic exercise [PDF]

, 2008
Intramyocellular lipid (IMCL) and plasma NEFA are important skeletal muscle fuel sources. By raising blood insulin concentrations, carbohydrate ingestion inhibits lypolysis and reduces circulating NEFA.
Emma Stevenson, Jennie Brand-Miller, Karola Stockmann, Michael I. Trenell, Stannard, Stevenson   +5 more
core   +1 more source

Does prior acute exercise affect postexercise substrate oxidation in response to a high carbohydrate meal?

Nutrition & Metabolism, 2008
Background Consumption of a mixed meal increases postprandial carbohydrate utilization and decreases fat oxidation. On the other hand, acute endurance exercise increases fat oxidation and decreases carbohydrate utilization during the post-exercise ...
Hickey Matthew S, Schmidt Stacy, Englert Virginia, Wells Katherine, Long Wiley, Melby Christopher L   +5 more
doaj   +1 more source

Effects of pre-exercise carbohydrate consumption on metabolism during exercise [PDF]

, 2016
It is well documented that consuming carbohydrates (CHO) prior to exercise has been shown to alter metabolism. There are many ways that CHO ingestion affects substrate utilization and blood glucose dynamics at the start of exercise.
Montzingo, Luke James
core   +1 more source

An investigative study into the influence of a commercially available carbohydrate-protein-electrolyte beverage on short term repeated exercise performance [PDF]

, 2012
Background: The purpose of this study was to undertake an independent investigation into the effects of ingesting a carbohydrate-protein-electrolyte (CPE) beverage on repeated submaximal and time-trial cycling performance. Methods: Sixteen recreationally
Kass, Lindsy, Roberts, Justin, Roberts, Michael G., Tarpey, Michael D.   +3 more
core   +4 more sources

Macronutrients as sources of food energy. [PDF]

, 2005
This background paper considers the extent to which the development of new recommendations for dietary energy requirements needs to account for the macronutrient (fat, carbohydrate, protein and alcohol) profiles of different diets.
Prentice, Andrew M
core   +1 more source

Exogenous carbohydrate oxidation during ultraendurance exercise [PDF]

Journal of Applied Physiology, 2006
The purposes of this study were: 1) to obtain a measure of exogenous carbohydrate (CHOExo) oxidation and plasma glucose kinetics during 5 h of exercise; and 2) to compare CHOExo following the ingestion of a glucose solution (Glu) or a glucose + fructose solution (2:1 ratio, Glu+Fru) during ultraendurance exercise. Eight well-trained subjects exercised
Jeukendrup, Asker E, Moseley, Luke, Mainwaring, Gareth I, Samuels, Spencer, Perry, Samuel, Mann, Christopher H   +5 more
openaire   +4 more sources

Influence of lactation stage on heat production and macronutrient oxidation in dairy cows during a 24-hour fasting period

Journal of Dairy Science, 2023
: Understanding nutrient utilization and partitioning is essential for advancing the efficiency of dairy cattle. Our objective was to determine if dairy cows exposed to a 24-h fasting period differ in heat production (HP) and macronutrient oxidation at ...
K.M. Kennedy, B. Kuhla
doaj   +1 more source