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A Moderate-Intensity Interval Training Block Improves Endurance Performance in Well-Trained Cyclists.

PMID 40101160 (2025): endurance, interval — VO₂max, Lactate threshold (study note for endurance athletes).

Last updated/Feb 23, 2026, 10:34 PM

Study note • PMID 40101160

A Moderate-Intensity Interval Training Block Improves Endurance Performance in Well-Trained Cyclists.

Medicine and science in sports and exercise2025 • DOI 10.1249/MSS.0000000000003706
Evidence B71/100
Action 1: Default

Low risk + high feasibility for most athletes.

ELI5

In plain language

This study compared the physiological effects of a moderate-intensity interval training (MIT) microcycle followed by an active recovery period (collectively termed MIT block ) with a time-matched regular training… (expert consensus / guideline; well-trained cyclists).

In this expert consensus / guideline, the abstract suggests a positive relationship with VO₂max, Lactate threshold. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: This study compared the physiological effects of a moderate-intensity interval training (MIT) microcycle followed by an active recovery period (collectively termed MIT block ) with a time-matched regular training…
  • In this expert consensus / guideline, the abstract suggests a positive relationship with VO₂max, Lactate threshold.
  • Population: well-trained cyclists.
  • Protocol cues (title/abstract): 15min.

Protocol

Protocol (as reported)

  • Intervention/exposure: endurance, interval.
  • Dose/time/duration cues in abstract/title: 15min.
  • Outcomes: VO₂max, Lactate threshold.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it helps, and who should skip it

Who it helps

  • Athletes similar to the study population (well-trained cyclists) working on endurance.
  • Athletes who can measure VO₂max, Lactate threshold with a repeatable workout or time-trial effort.

Who should skip

  • If you have symptoms or conditions that make the intervention risky, get professional guidance.
  • If you’re near race day and can’t safely test, defer the experiment.

Methods

What the study actually did

  • Design: expert consensus / guideline.
  • Population: well-trained cyclists.
  • Outcomes measured: VO₂max, Lactate threshold.
  • Protocol cues mentioned: 15min.
  • Source: PubMed PMID 40101160 (2025) — Medicine and science in sports and exercise.

Results excerpt

What the abstract reports

Although the Training Impulse (TRIMP) score was not different between MIT block and REG (1944 (436) vs 1800 (232), respectively; P = 0.27), MIT block resulted in significantly greater improvements than REG in PO 4mmol (4.0% (4.4%) vs -1.3% (3.7%), P < 0.01),…

Note: excerpts are short; for full context, read the paper.

Limits

Limitations & bias

  • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
  • Reviews and consensus statements mix protocols and populations; recommendations may not match your exact constraints.
  • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
  • This is performance information, not medical advice.

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Sources