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Scientists uncover why you may hate that quick workout

NCT ID NCT05260905

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at why some people find a very short, intense cycling workout pleasant while others find it unpleasant. Researchers measured feelings of pleasure and effort in 36 healthy, sedentary or moderately active adults during two sessions of reduced-exertion high-intensity interval training (REHIT). The goal is to understand individual differences in exercise enjoyment, which could help create exercise routines that people are more likely to stick with.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Reduced-exertion high-intensity interval training (REHIT) on a stationary bike
What this could lead to
If successful, this could help design exercise programs that people enjoy and stick with, improving general health.
What could go wrong
This is a small, completed observational study with only 36 healthy participants, so results may not apply to everyone or predict long-term adherence.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

36 people

The number who actually took part.

Started

Mar 2022

Finished

Aug 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study population will consist of any apparently healthy individuals who are not highly physically active and who have no contra-indications to performing exercise.

Ages

18 to 40 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Apparently healthy * Sedentary or recreationally active Exclusion Criteria: * Classified as highly physically active on the International Physical Activity Questionnaire (IPAQ) * Answering 'Yes' to any of the questions of a standard Physical Activity Readiness Questionnaire (PAR-Q) * Resting heart rate \>100 bpm * Resting blood pressure \> 140/90 mm Hg * BMI \> 35 kg/m2 * Testing positive for Covid-19 * Pregnant women

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • University of Stirling

    Stirling, Midlothian, FK9 4LA, United Kingdom

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