2020
Menstrual cycle and thermoregulation during exercise in the heat: A systematic review and meta-analysis
Giersch GEW, Morrissey MC, Katch RK, Colburn AT, Sims ST, Stachenfeld NS, Casa DJ. Menstrual cycle and thermoregulation during exercise in the heat: A systematic review and meta-analysis. Journal Of Science And Medicine In Sport 2020, 23: 1134-1140. PMID: 32499153, DOI: 10.1016/j.jsams.2020.05.014.Peer-Reviewed Original ResearchConceptsSystematic reviewHeart rateSweat rateSkin temperatureMenstrual cycle phaseMenstrual cycle variationsAerobic exerciseFollicular phaseMenstrual cycleLuteal phaseInclusion criteriaMenstrual phaseLimited available dataMean skin temperatureEffect size estimatesSignificant differencesBody temperatureEffect sizeExerciseWomenCycle phaseInternal body temperatureReviewTotal number
2017
Mild exercise in female subjects impairs complex learning independent of hydration status and emotion
Turner JM, Marsteller DA, Luxkaranayagam AT, Fletcher JM, Stachenfeld NS. Mild exercise in female subjects impairs complex learning independent of hydration status and emotion. Physiology & Behavior 2017, 180: 113-119. PMID: 28842190, DOI: 10.1016/j.physbeh.2017.08.013.Peer-Reviewed Original ResearchConceptsCognitive functionComplex learningMeasures of emotionTests of acquisitionMemory taskCognitive tasksFunction tasksEmotionsMaze learningMild aerobic exerciseTaskLearningImpact of exerciseMemoryAerobic exerciseDetrimental effectsNew knowledgeRecumbent bicycleExecutivesAcquisitionMeasuresMild hypohydrationExercise
2014
The Interrelationship of Research in the Laboratory and the Field to Assess Hydration Status and Determine Mechanisms Involved in Water Regulation During Physical Activity
Stachenfeld NS. The Interrelationship of Research in the Laboratory and the Field to Assess Hydration Status and Determine Mechanisms Involved in Water Regulation During Physical Activity. Sports Medicine 2014, 44: 97-104. PMID: 24791921, PMCID: PMC4008811, DOI: 10.1007/s40279-014-0155-0.Commentaries, Editorials and Letters
2009
Sex hormone effects on body fluid and sodium regulation in women with and without exercise-associated hyponatremia
Stachenfeld NS, Taylor HS. Sex hormone effects on body fluid and sodium regulation in women with and without exercise-associated hyponatremia. Journal Of Applied Physiology 2009, 107: 864-872. PMID: 19556454, DOI: 10.1152/japplphysiol.91211.2008.Peer-Reviewed Original ResearchConceptsExercise-associated hyponatremiaSodium lossGonadotropin-releasing hormone antagonistPeak oxygen consumptionMin of exerciseHistory of hyponatremiaHigh water intakeGnRH-antFluid retentionHormone antagonistProgesterone exposureEndurance exerciseDay 4Hormone effectsDay 13HyponatremiaSodium regulationHormone conditionsWomenHypoWater intakeOxygen consumptionProgesteroneExerciseLittle fall
2007
Exercise and Fluid Replacement
Sawka M, Burke L, Eichner E, Maughan R, Montain S, Stachenfeld N. Exercise and Fluid Replacement. Medicine & Science In Sports & Exercise 2007, 39: 377-390. PMID: 17277604, DOI: 10.1249/mss.0b013e31802ca597.Peer-Reviewed Original ResearchConceptsFluid replacementElectrolyte deficitsPlasma electrolyte levelsUrine outputFluid intakeNormal mealPhysical activityElectrolyte balanceElectrolyte levelsBody weightAppropriate hydrationNormal levelsFluid absorptionPosition standReplacement programSweat rateExerciseElectrolyte contentDeficitsConsiderable variabilityBeveragesIndividualsIntakeActivity
2001
Hormonal Contraception, Body Water Balance and Thermoregulation
Stachenfeld N. Hormonal Contraception, Body Water Balance and Thermoregulation. 2001 DOI: 10.21236/ada410450.Peer-Reviewed Original ResearchLuteal phaseEstrogen/progestinExercise-induced dehydrationCross-over designOral contraceptivesSodium retentionHormonal contraceptionBody water balanceFollicular phaseHypertonic salineMidluteal phaseMenstrual cycleHormonal effectsSodium regulationProgestinsBody waterExerciseContraceptivesEstrogenContraceptionPAVPSaline
2000
Estrogen modifies the temperature effects of progesterone
Stachenfeld N, Silva C, Keefe D. Estrogen modifies the temperature effects of progesterone. Journal Of Applied Physiology 2000, 88: 1643-1649. PMID: 10797125, DOI: 10.1152/jappl.2000.88.5.1643.Peer-Reviewed Original ResearchConceptsOral contraceptive administrationFollicular phaseLuteal phaseContraceptive administrationBaseline esophageal temperatureOC PFollicular phase levelsMin of exerciseMidluteal menstrual phasesProgestin administrationCore temperature thresholdMenstrual phaseDegrees C. SubjectsEsophageal temperatureEstrogenC. SubjectsAdministrationPassive heatingProgestinsCore temperatureExercisePrevious findingsProgesteronePhase levelsMin
1997
Transcapillary escape rate of albumin in humans during exercise-induced hypervolemia
Haskell A, Nadel E, Stachenfeld N, Nagashima K, Mack G. Transcapillary escape rate of albumin in humans during exercise-induced hypervolemia. Journal Of Applied Physiology 1997, 83: 407-413. PMID: 9262434, DOI: 10.1152/jappl.1997.83.2.407.Peer-Reviewed Original ResearchConceptsCapillary filtration coefficientTranscapillary escape rateLeg musclesUpright cycle ergometer exerciseVascular spaceTranscapillary forcesInterstitial fluid hydrostatic pressureCycle ergometer exercisePlasma albumin concentrationPlasma colloid osmotic pressureExercise-induced hypervolemiaColloid osmotic pressureErgometer exerciseIntense exerciseTotal protein concentrationFluid hydrostatic pressureAlbumin concentrationTERalbMuscleFiltration coefficientExerciseActive tissuesAlbuminLegProtein concentration
1994
Effect of athletic training on heart rate variability
Sacknoff D, Gleim G, Stachenfeld N, Coplan N. Effect of athletic training on heart rate variability. American Heart Journal 1994, 127: 1275-1278. PMID: 8172056, DOI: 10.1016/0002-8703(94)90046-9.Peer-Reviewed Original ResearchConceptsHeart rate variabilityRate variabilityParasympathetic toneControl subjectsHeart diseaseVagal activityBaseline parasympathetic toneCardiac vagal toneFrequency domain variablesChronic exerciseHabitual exercisePrognostic stratificationVagal toneControl groupEndurance athletesActivity levelsPatientsAthletic trainingAthletesDiseaseToneExerciseAccurate indicatorSubjectsPrognosis