Research
Energy balance
Differences in fat availability and utilization during steady-state exercise had little effect on the time taken to complete a 600 kJ time-trial.
Fat availability may not influence performance in short-duration high-intensity efforts.
StrongRefutesmedium confidence
Differences in fat availability and utilisation during SS had little effect on the time taken to complete the 600 kJ TT (31.3 ±1.5 vs 32.1 ±1.4 vs 31.7 ±1.5 min for CHO, NA and HIFAT).
Why this rating
Based on study design from abstract.
Source
EFFECT OF ALTERING FAT AVAILABILITY ON METABOLISM AND PERFORMANCE DURING INTENSE EXERCISE
John A. Hawley et al. · Medicine & Science in Sports & Exercise · 1999
DOI 10.1097/00005768-199905001-01717
other · n=7Cited 1×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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