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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.

hydration
2025

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

Research note: The Addition of Glycerol and Sodium Chloride to a Hyperhydration Protocol Does Not Improve Half-Marathon Time-Trial Performance in Trained Runners in…

Open study note

breathing
2025

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

Research note: Inspiratory muscle training improves heart rate variability and respiratory muscle strength in obese young adults.

Open study note

supplements
2025

Acute Effects of Caffeine and Taurine Co-Ingestion on… (PMID 40956767)

Research note: Acute Effects of Caffeine and Taurine Co-Ingestion on Time to Exhaustion and Thermoregulatory Responses to Cycling in the Heat.

Open study note

supplements
2025

Effects of taurine combined with caffeine on repetiti… (PMID 39948152)

Research note: Effects of taurine combined with caffeine on repetitive sprint exercise performance and cognition in a hypoxic environment.

Open study note

supplements
2025

Acute caffeine supplementation offsets the impairment… (PMID 39438312)

Research note: Acute caffeine supplementation offsets the impairment in 10-km running performance following one night of partial sleep deprivation: a randomized cont…

Open study note

fueling
2025

Ketone ester ingestion increases exogenous carbohydra… (PMID 40794305)

Research note: Ketone ester ingestion increases exogenous carbohydrate storage and lowers glycemia during post-exercise recovery: a randomised crossover trial.

Open study note

fueling
2025

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

Research note: Effects of sodium bicarbonate and carbohydrate intake after 14-h fasting on anaerobic performance and muscular endurance: A randomized placebo-control…

Open study note

supplements
2025

Performance-enhancing effects of caffeine and L-Thean… (PMID 40977612)

Research note: Performance-enhancing effects of caffeine and L-Theanine among Iranian elite wrestlers: a focus on cognitive and specific physical performance.

Open study note

supplements
2024

The Effect of Pre-Exercise Caffeine and Glucose Inges… (PMID 39519456)

Research note: The Effect of Pre-Exercise Caffeine and Glucose Ingestion on Endurance Capacity in Hypoxia: A Double-Blind Crossover Trial.

Open study note

supplements
2024

Effects of Caffeinated Coffee on Cross-Country Cyclin… (PMID 38474796)

Research note: Effects of Caffeinated Coffee on Cross-Country Cycling Performance in Recreational Cyclists.

Open study note

supplements
2024

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

Research note: Influence of the CYP1A2 c.(-163) A > C polymorphism in the effect of caffeine on fat oxidation during exercise: a pilot randomized, double-blind, cros…

Open study note

fueling
2024

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

Research note: PTER is a N-acetyltaurine hydrolase that regulates feeding and obesity.

Open study note

supplements
2024

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

Research note: Effects of Caffeine-Taurine Co-Ingestion on Endurance Cycling Performance in High Temperature and Humidity Environments.

Open study note

breathing
2024

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

Research note: Home-based long-term physical endurance and inspiratory muscle training in children and adults with Fontan circulation.

Open study note

supplements
2024

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

Research note: Caffeine, but not paracetamol (acetaminophen), enhances muscular endurance, strength, and power.

Open study note

supplements
2024

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

Research note: Guarana (Paullinia cupana) but Not Low-Dose Caffeine Improves Cycling Time-Trial Performance Versus Placebo.

Open study note

fueling
2024

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

Research note: Ketone Monoester Followed by Carbohydrate Ingestion after Glycogen-Lowering Exercise Does Not Improve Subsequent Endurance Cycle Time Trial Performance.

Open study note

breathing
2024

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

Research note: The Effect of Inspiratory Muscle Training on Health-Related Fitness in College Students.

Open study note

supplements
2024

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

Research note: Effect of caffeine ingestion on time trial performance in cyclists: a systematic review and meta-analysis.

Open study note

hydration
2024

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

Research note: Consumption of a Branched-Chain Amino Acids-Containing Sports Beverage During 21 km of Running Reduces Dehydration, Lowers Muscle Damage, and Prevents…

Open study note

supplements
2024

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

Research note: Caffeine intake enhances peak oxygen uptake and performance during high-intensity cycling exercise in moderate hypoxia.

Open study note

supplements
2024

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

Research note: Acute Co-Ingestion of Caffeine and Sodium Bicarbonate on Muscular Endurance Performance.

Open study note

supplements
2024

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

Research note: Sex Differences in the Ergogenic Response of Acute Caffeine Intake on Muscular Strength, Power and Endurance Performance in Resistance-Trained Individ…

Open study note

supplements
2024

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

Research note: No additive effect of creatine, caffeine, and sodium bicarbonate on intense exercise performance in endurance-trained individuals.

Open study note

supplements
2024

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

Research note: Acute effects of commercial energy drink consumption on exercise performance and cardiovascular safety: a randomized, double-blind, placebo-controlled…

Open study note

supplements
2024

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

Research note: Nutritional Ergogenic Aids in Cycling: A Systematic Review.

Open study note

breathing
2024

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

Research note: Impacts of three inspiratory muscle training programs on inspiratory muscles strength and endurance among intubated and mechanically ventilated patien…

Open study note

supplements
2024

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

Research note: Caffeine Placebo Effect in Sport and Exercise: A Systematic Review.

Open study note

breathing
2024

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

Research note: The Effectiveness and Validity of Inspiratory Muscle Training in the Training Process of Disabled Swimmers.

Open study note

fueling
2024

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

Research note: The ergogenic effects of acute carbohydrate feeding on endurance performance: a systematic review, meta-analysis and meta-regression.

Open study note

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