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Left vs. right: does handedness skew dexterity test results?

NCT ID NCT05661617

Knowledge-focused Sponsor: Charles University, Czech Republic Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 08, 2026 · Last updated Jul 09, 2026 · Updated 1 time

Summary

This study looks at whether being right- or left-handed changes how healthy women aged 20 to 24 perform on three common hand dexterity tests: the Nine Hole Peg Test, Purdue Pegboard Test, and Box and Block Test. Researchers will test each participant using their non-dominant hand first to see if separate scoring standards are needed for left- and right-handed people. The goal is to improve accuracy when these tests are used to assess hand function.

What this could mean

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

What this could lead to
If results show clear differences, this could lead to separate reference standards for right- and left-handed people in hand function tests.
What could go wrong
This is a small, early-stage observational study in a narrow age group and sex, so findings may not apply to men, older adults, or people with hand conditions.

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

71 people

The number who actually took part.

Started

Jan 2023

Finished

Dec 2024

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

healthy women from the Czech Republic

Ages

20 to 24 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: * Czech language as a mother tongue * age from 20 to 24 years (inclusive) * female Exclusion Criteria: * diagnosed pathology of the upper limbs or diseases that negatively affect the dexterity of their limbs * use of drugs affecting attention * vision impairment uncorrectable with glasses * severe hearing loss * inability to understand instructions * inability to read or write * inability to complete testing * failure to sign Informed consent for probation with inclusion to research and Consent to the collection and processing of personal data during the study at the General University Hospital in Prague

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Conditions

The condition(s) this trial relates to.

Motor Activity

As listed by the trial registrant

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

Motor activity

Contacts and locations

Locations

  • Department of Rehabilitation Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague

    Prague, Czechia

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