Tight hamstrings and back pain: could a simple stretch offer relief?
NCT ID NCT06837753
First seen Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time
Summary
This trial investigates whether adding hamstring stretching to traditional exercises improves flexibility and function in people with nonspecific low back pain lasting at least 12 weeks. Forty-six adults with limited hamstring flexibility will be randomly assigned to either stretching plus exercises or exercises alone. Researchers will measure changes in flexibility and disability over the study period.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- hamstring stretching plus traditional exercises
- What this could lead to
- If stretching helps, it could offer a simple, low-cost addition to standard care for chronic low back pain.
- What could go wrong
- This is a small, early-stage trial with only 46 participants, so results may not apply widely. Stretching alone is unlikely to be a complete solution for complex back pain.
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
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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
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46 people
The number who actually took part.
- Started
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Dec 2023
- Finished
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Aug 2024
- 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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25 to 45 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide 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: * Patients with complaints of low back pain, * NLBP for at least 12 weeks, * finger-to-ground distance greater than 0 cm; a passive straight-leg raising -(SLR) angle of less than 80°, measured with a hand-held goniometer; * normal mobility of the hip; * passive knee extension ≥25°, * VAS score between 3 and 7 will be included. Exclusion Criteria: * People with a history of hamstring injury in the last two years, * fractures in the spine or lower extremities, * pregnancy, * leg length difference of more than 2 cm, * and obesity will be excluded from the study.
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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.
Contacts and locations
Locations
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Eylül Pınar Kısa
Istanbul, Istanbul, 34720, Turkey (Türkiye)
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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