Stretch one leg, free the other? new study tests nerve trick for flexibility
NCT ID NCT07648732
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether doing nerve stretches on one leg can improve flexibility in the opposite leg. Twenty healthy young adults performed a specific nerve glide on their right leg, while the left leg's range of motion was measured before and after. The same participants also acted as their own control by sitting quietly. The goal was to see if a single session of nerve stretching could have a crossover effect on flexibility.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Neurodynamic hamstring mobilisation (nerve stretch technique)
- What this could lead to
- If it works, this could point toward simple stretching techniques to improve flexibility without directly stretching the tight muscle.
- What could go wrong
- This is a very small, early study in healthy young adults, so results may not apply to injured people or the general population. The effect may be too small to matter in practice.
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
-
20 people
The number who actually took part.
- Started
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Dec 2016
- Finished
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Dec 2017
- Lead sponsor
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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
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18 to 30 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Healthy University students * Aged 18-30 * participating in regular physical activity * No current lower back pain * No current illness * No current hamstring injuries. Exclusion Criteria: * Participants aged 31 or over * Did not partake in regular physical activity or * Experienced lower back pain * Currently suffering from an illness * Currently sustained a hamstring injuries
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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