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Shock vs roll: which recovery method wins for volleyball pros?

NCT ID NCT07438197

Knowledge-focused Sponsor: University of Sistan and Baluchestan 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at two popular recovery methods—TENS (mild electrical pulses) and foam rolling—to see which helps elite female volleyball players recover better after intense exercise. Thirty players from Iran's Premier League did a tough leg workout and then used one of these methods or rested. The researchers measured muscle damage, jump height, and soreness over 48 hours to compare the approaches.

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

Sep 2020

Finished

Dec 2020

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 28 years

Sex

Female participants only

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: * Age 18-28 years * At least five years of competitive volleyball experience * Current participation in Iran's national Premier League * Training frequency of at least five sessions per week * Absence of musculoskeletal injury during the preceding six months Exclusion Criteria: * Use of anti-inflammatory medications or supplements * Contraindications to transcutaneous electrical nerve stimulation (TENS), including cardiac pacemaker, epilepsy, or pregnancy * Exposure to the study interventions (TENS or foam rolling \[FR\]) within the preceding four weeks * Lower-body strength training within 72 hours (h) prior to testing

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Conditions

The condition(s) this trial relates to.

Athletic Injuries

As listed by the trial registrant

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

Athletic injuries Delayed onset muscle soreness (DOMS) Exercise induced muscle damage Muscle recovery

Contacts and locations

Locations

  • Zahedan Olympic Village

    Zahedan, Sistan and Baluchestan, Iran

More trials for these conditions

Other studies related to the condition(s) this trial covers.