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Studies

Study libraryReference notes for deep reading.

This is a research index. For a synthesis around one training question, start with the topic guides under Performance Science Lab.

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290 studies for time-to-exhaustion.

supplements
2025

Effects of caffeine and its metabolites, theobromine… (PMID 40850526)

PMID 40850526 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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breathing
2025

Inspiratory muscle training improves heart rate varia… (PMID 40833943)

PMID 40833943 (2025): inspiratory muscle training, respiratory — Time to exhaustion (study note for endurance athletes).

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supplements
2025

In-Exercise Caffeine Improves Exercise Performance in… (PMID 40550151)

PMID 40550151 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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hydration
2025

The Addition of Glycerol and Sodium Chloride to a Hyp… (PMID 40139199)

PMID 40139199 (2025): hydration, fluid — Time to exhaustion, Performance in heat, Cramp risk (study note for endurance athletes).

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hydration
2025

Hydration assessment and physical performance of moun… (PMID 40594074)

PMID 40594074 (2025): hydration, dehydration — Time to exhaustion, Performance in heat, Cramp risk (study note for endurance athletes).

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fueling
2025

Strategic carbohydrate feeding improves performance i… (PMID 40614653)

PMID 40614653 (2025): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).

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supplements
2025

Acute caffeine intake improves muscular strength, pow… (PMID 40478455)

PMID 40478455 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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fueling
2025

Effects of sodium bicarbonate and carbohydrate intake… (PMID 41316585)

PMID 41316585 (2025): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).

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fueling
2024

Ketone Monoester Followed by Carbohydrate Ingestion a… (PMID 38612966)

PMID 38612966 (2024): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).

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fueling
2024

Acute Ingestion of a Ketone Monoester without Co-inge… (PMID 37565450)

PMID 37565450 (2024): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).

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breathing
2024

The Effect of Inspiratory Muscle Training on Health-R… (PMID 39200697)

PMID 39200697 (2024): inspiratory muscle training, respiratory — Time to exhaustion (study note for endurance athletes).

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supplements
2024

Caffeine intake enhances peak oxygen uptake and perfo… (PMID 37608124)

PMID 37608124 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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hydration
2024

Consumption of a Branched-Chain Amino Acids-Containin… (PMID 39599586)

PMID 39599586 (2024): hydration, dehydration — Time to exhaustion, Performance in heat, Cramp risk (study note for endurance athletes).

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supplements
2024

Acute effects of commercial energy drink consumption… (PMID 38197606)

PMID 38197606 (2024): acute, commercial — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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supplements
2024

Influence of the CYP1A2 c.(-163) A > C polymorphism i… (PMID 39007997)

PMID 39007997 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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breathing
2024

The Effectiveness and Validity of Inspiratory Muscle… (PMID 39336852)

PMID 39336852 (2024): inspiratory muscle training, respiratory — Time to exhaustion (study note for endurance athletes).

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breathing
2024

Impacts of three inspiratory muscle training programs… (PMID 39049092)

PMID 39049092 (2024): inspiratory muscle training, ventilation — Time to exhaustion (study note for endurance athletes).

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supplements
2024

Effects of Caffeine-Taurine Co-Ingestion on Endurance… (PMID 38406865)

PMID 38406865 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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supplements
2024

Effect of caffeine ingestion on time trial performanc… (PMID 38836626)

PMID 38836626 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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breathing
2024

Home-based long-term physical endurance and inspirato… (PMID 39376619)

PMID 39376619 (2024): inspiratory muscle training, respiratory — Time to exhaustion (study note for endurance athletes).

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supplements
2024

Guarana (Paullinia cupana) but Not Low-Dose Caffeine… (PMID 37898479)

PMID 37898479 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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supplements
2024

Sex Differences in the Ergogenic Response of Acute Ca… (PMID 38892692)

PMID 38892692 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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supplements
2024

Acute Co-Ingestion of Caffeine and Sodium Bicarbonate… (PMID 39771003)

PMID 39771003 (2024): caffeine, bicarbonate — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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hydration
2024

Exploring the Influence of Acid-Base Status on Athlet… (PMID 38999735)

PMID 38999735 (2024): hydration — Time to exhaustion, Performance in heat, Cramp risk (study note for endurance athletes).

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supplements
2024

Nutritional Ergogenic Aids in Cycling: A Systematic R… (PMID 38892701)

PMID 38892701 (2024): caffeine, nitrate — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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supplements
2024

Caffeine, but not paracetamol (acetaminophen), enhanc… (PMID 39246027)

PMID 39246027 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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supplements
2024

Caffeine Placebo Effect in Sport and Exercise: A Syst… (PMID 39339818)

PMID 39339818 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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fueling
2024

PTER is a N-acetyltaurine hydrolase that regulates fe… (PMID 39112712)

PMID 39112712 (2024): glucose, feeding — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).

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fueling
2024

The ergogenic effects of acute carbohydrate feeding o… (PMID 37449467)

PMID 37449467 (2024): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).

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supplements
2024

No additive effect of creatine, caffeine, and sodium… (PMID 38646853)

PMID 38646853 (2024): caffeine, bicarbonate — Time-trial performance, Time to exhaustion (study note for endurance athletes).

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