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Can the right work-rest rhythm and a massage gun soften stiff calf muscles?

NCT ID NCT07745452

Knowledge-focused Sponsor: Princess Nourah Bint Abdulrahman University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 04, 2026 · Last updated Aug 05, 2026 · Updated 1 time

Summary

This study looks at how different work-rest schedules during calf-raise exercises change calf muscle stiffness in volleyball athletes. Thirty players (15 women and 15 men) will do three exercise sessions with different work-rest patterns, and their calf muscle stiffness will be measured before and after exercise using a special ultrasound technique. The study also checks whether a five-minute percussive therapy session helps reduce stiffness during recovery. The goal is to see which schedule and recovery approach might best help muscles relax after exercise.

What this could mean

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

Active substance
Percussive therapy (a massage-like device applied to the calf muscle)
What this could lead to
If certain work-rest schedules or percussive therapy reduce muscle stiffness more effectively, this could help athletes recover faster and improve training routines.
What could go wrong
This is a small, early-stage study in a specific group of athletes, so results may not apply to everyone. The effect on stiffness is measured right after exercise, not over the long term.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

30 people

The number who actually took part.

Started

Jun 2025

Finished

Mar 2026

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.

Ages

18 to 30 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: * Male or female volleyball athlete aged 18 to 30 years. * Competing at university or club level. * At least 3 years of structured volleyball training experience. * Participating in volleyball training at least 3 times per week. * Body mass index between 18.5 and 27.0 kg/m². * No lower-limb musculoskeletal injury during the previous 6 months. * No known neuromuscular or systemic disorder. * No use of anti-inflammatory, analgesic, or muscle-relaxant medication during the week before testing. Exclusion Criteria: * Failure to attend or complete any of the three experimental sessions. * Performance of vigorous exercise within 24 hours before a testing session. * Occurrence of an adverse event that prevented adherence to or completion of the study protocol.

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As listed by the trial registrant

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

Exercise-induced changes in gastrocnemius muscle stiffness Health adult subjects

Contacts and locations

Locations

  • İnönü University

    Malatya, 44280, Turkey (Türkiye)

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