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Tennis serve speed boost? core vs shoulder workouts tested

NCT ID NCT06221514

Symptom relief Sponsor: Cairo University Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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)
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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
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Status unknown
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First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two 4-week exercise programs—core strengthening and shoulder strengthening—to see which better improves flat serve speed in young adult tennis players. Fifty amateur players aged 18-25 with 1-3 years of experience will be randomly assigned to one of the two groups. Serve speed and shoulder rotation will be measured before and after training.

What this could mean

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

Active substance
Core strengthening program and shoulder strengthening program
What this could lead to
If it works, this could help tennis players improve their serve speed with targeted exercises.
What could go wrong
This is a small, early-stage trial with only 50 participants. Results may not apply to all players, and the effect on serve speed may be small or none.

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

About 50 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2026

Expected to finish

Jun 2026

An estimate. End dates often move.

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 25 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: (1)Tennis playing experience between 1 to 3 yrs.(2)Trains 2-3 times per week for a minimum of 1-2 hours per day.(3)Trained in flat serve.(4) Right and Left-handed Players.(5) Females and males.(6) Young adults age ranging from 18-25 years. Exclusion Criteria: (1)Players who underwent specific shoulder or core strength training in the past year.(2)Players who had a history of UE injury (dislocation, rupture, fracture, surgery ) that prevents them from playing .(3) back or knee pain for at least the past year .(4) Players with Cardiovascular diseases or metabolic disorders. (ex: DM)

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Conditions

The condition(s) this trial relates to.

toxic epidermal necrolysis

As listed by the trial registrant

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

TENNIS Tennis serve performance

How to take part

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  1. The places running it

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  2. The official record

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  3. A doctor treating you

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Contacts and locations

Locations

  • Department of Physical Therapy, Faculty of Health Sciences

    RECRUITING

    Giza, 2334, Egypt

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