Research
Metabolic adaptation
Blood lactate levels are slightly higher with longer rest intervals.
Higher blood lactate levels with longer rest may indicate increased metabolic stress during training.
StrongSupportsmedium confidence
Blood lactate levels were slightly higher with longer RILs.
Why this rating
Based on study design from abstract.
Source
Repetition Performance, Rating of Perceived Discomfort, and Blood Lactate Responses to Different Rest Interval Lengths in Single-Joint and Multijoint Lower-Body Exercise
Avery Rosa et al. · The Journal of Strength and Conditioning Research · 2023
DOI 10.1519/jsc.0000000000004508
otherCited 7×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Longer rest interval lengths (RILs) have a small positive effect on repetition performance, allowing for more repetitions compared to shorter durations.Strong
- Exercise selection and rest interval length influence the rating of discomfort, with leg extensions producing less discomfort than back squats.Strong
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