Skip to content

Study note

The validity of endurance running performance on the Curve 3(TM) non-motorised treadmill.

PMID 25490348 (2015): perceived exertion — Time-trial performance (study note for endurance athletes).

Updated Jul 22, 2026

Read the study note

Study note • PMID 25490348

The validity of endurance running performance on the Curve 3(TM) non-motorised treadmill.

Journal of sports sciences2015 • DOI 10.1080/02640414.2014.986502

How to use this page

This note summarizes one study record. Check the participants, methods, results, and limitations before applying it to training.

  • Design signal: randomized trial.
  • Population relevance: mixed/unclear athlete specificity.
  • Consistency: single-study evidence.
  • Practical recommendation depends on tolerance, context, and whether it protects training consistency.

ELI5

In plain language

This study aimed to test the validity of a non-motorised treadmill (NMT) for the measurement of self-paced overground endurance running performance. (randomized trial; runners).

The abstract reports an association involving Time-trial performance (not necessarily causation). 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 aimed to test the validity of a non-motorised treadmill (NMT) for the measurement of self-paced overground endurance running performance.
  • The abstract reports an association involving Time-trial performance (not necessarily causation).
  • Population: runners.
  • Protocol cues: abstract may omit dose/timing; use the full paper to replicate accurately.

Protocol

Protocol (as reported)

  • Intervention/exposure: perceived exertion (vs comparison group).
  • Dose/time/duration: abstract doesn’t include enough detail; use the full paper’s methods section.
  • Outcomes: Time-trial performance.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it may help, and who should be cautious

Who it helps

  • Athletes similar to the study population (runners) working on pacing.
  • Athletes who can measure Time-trial performance with a repeatable workout or time-trial effort.

Who should be cautious

  • 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: randomized trial.
  • Population: runners.
  • Comparator: comparison group.
  • Outcomes measured: Time-trial performance.
  • Source: PubMed PMID 25490348 (2015) — Journal of sports sciences.

Results excerpt

What the abstract reports

Integrated electromyography was significantly lower on the NMT for three muscles (P < 0.05), and mean stride rate was also significantly lower on the NMT (P = 0.04).

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

Limits

Limitations and bias

  • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
  • Single studies often don’t generalize to your event, history, and training load; treat results as a starting point.
  • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
  • This is performance information, not medical advice.

Adaptive AI coach for iPhone

Meet your adaptive AI coach.

Tell your coach what you are training for. It builds the plan, follows the work you complete, and adapts upcoming training when recovery, your schedule, or real life changes.

Keep going

Sources