Effect of hamstring stretching on lower back muscle activity in office workers

The Effect of Active Static Hamstring Stretching Exercises on Lumbar Muscle Activation in Office Workers

Not applicable Interventional Istanbul University - Cerrahpasa · NCT06540053

This study tests if doing hamstring stretching exercises can help office workers with back pain by improving their lower back muscle activity.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment50 (estimated)
Ages20 Years to 50 Years
SexAll
SponsorIstanbul University - Cerrahpasa Academic / other
Locations1 site (Istanbul)
Trial IDNCT06540053 on ClinicalTrials.gov

What this trial studies

This study investigates how static active hamstring stretching exercises can influence lumbar muscle activation in office workers who experience muscle tightness due to prolonged sitting. It aims to restore the length-tension relationship in the hamstring muscles, which is crucial for lumbar stabilization and reducing low back pain. Participants will engage in stretching exercises while a control group will be placed on a waiting list. The study will assess changes in muscle activation and viscoelastic properties of the hamstrings and lumbar region.

Who should consider this trial

Good fit: Ideal candidates are office workers aged 20 to 50 who sit for at least 5 hours daily and are classified as physically inactive.

Not a fit: Patients with recent lumbar spine or knee surgeries, significant injuries, or other serious health conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved lumbar stability and reduced low back pain for office workers.

How similar studies have performed: Previous studies have shown positive outcomes with similar stretching interventions for muscle tightness and low back pain, suggesting this approach is supported by existing evidence.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Individuals aged between 20 and 50 years
* Who are office workers
* Spending at least 5 hours daily sitting at a desk
* Willing to participate in the study
* And classified as physically inactive according to the International Physical Activity Short Form

Exclusion Criteria:

* Individuals with a history of lumbar spine and knee surgery within the last 6 months
* A history of any hamstring muscle injury within the last 6 months
* Presence of osteoporosis
* Concurrent mental, metabolic, rheumatologic, neuromuscular, cardiovascular, or pulmonary conditions
* Currently pregnant
* And individuals classified as obese (BMI \> 30 kg/m²)

Where this trial is running

Istanbul

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Office WorkersMuscle TightnessLumbar RegionMuscle ShortnessStretchHamstring FlexibilityMuscle ActivationElectromyographic Muscle Activity
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.