2024
Improving hydration in underhydrated, free-living young adults results in better running performance
Kooima P, Colburn A, Vento K, Chan Y, Doyle A, Hoel T, Boro T, Schott K, Wardenaar F, Kavouras S. Improving hydration in underhydrated, free-living young adults results in better running performance. Physiology 2024, 39: 2511. DOI: 10.1152/physiol.2024.39.s1.2511.Peer-Reviewed Original ResearchModerately fit individualsRunning performanceHydration interventionsExercise performanceFit individualsEndurance running performanceEndurance exercise performanceImproved hydration statusYoung adultsImproved hydrationHydration statusEighty-nineReview processSports institutionsInterventionPre-Peer review processUrine specific gravityAverage timeSubjectsIntakeIndividualsExerciseEndurancePost
2022
Response to a Water Bolus in Long Term Oral Contraceptive Users
Atkins W, McDermott B, Colburn A, Kavouras S. Response to a Water Bolus in Long Term Oral Contraceptive Users. Frontiers In Sports And Active Living 2022, 4: 857719. PMID: 35548460, PMCID: PMC9082411, DOI: 10.3389/fspor.2022.857719.Peer-Reviewed Original ResearchUrine specific gravityOCP usersUrine osmolalityLong-term oral contraceptive usersOral contraception usersMean arterial pressureTotal urine volumeOral contraceptive usersPlasma volume changesNude body massCopeptin concentrationsArterial pressureUrine outputUrine volumeOCP useBlood glucoseContraceptive usersContraception usersUrine frequencyHeart rateHormone concentrationsFemale volunteersWater bolusBolusTrials
2020
Effects of sex and menstrual cycle on volume-regulatory responses to 24-h fluid restriction
Giersch G, Colburn A, Morrissey M, Butler C, Pruchnicki M, Kavouras S, Charkoudian N, Casa D. Effects of sex and menstrual cycle on volume-regulatory responses to 24-h fluid restriction. AJP Regulatory Integrative And Comparative Physiology 2020, 319: r560-r565. PMID: 32936680, PMCID: PMC7789965, DOI: 10.1152/ajpregu.00173.2020.Peer-Reviewed Original ResearchConceptsUrine specific gravityFluid restrictionMenstrual cycleVolume regulatory responseMenstrual cycle phaseImpact of sexSerum copeptinFluid prescriptionInfluence of sexReproductive hormonesBody mass lossUrine osmolalityUrine colorCopeptinMild dehydrationFluid regulationEffects of sexWomenPhysiological effectsMenSexBody massCycle phaseApparent effectResponse