Trial reportBMC musculoskeletal disorders2020
Modeling the effect of static stretching and strengthening exercise in lengthened position on balance in low back pain subject with shortened hamstring: a randomized controlled clinical trial.
Trial report in BMC musculoskeletal disorders, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05393960 (Effects of Lumbosacral Mobility Program on Muscle Length in Sedentary Young Adults With Tight Hamstrings), which is not on this map. Cited by 10 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Effects of Lumbosacral Mobility Program on Muscle Length in Sedentary Young Adults With Tight Hamstrings
Who cites it
10 citing papers in PubMed, 2 syntheses or guidelines pooled it, 37 citations in OpenAlex.
- Evaluating the effectiveness of six exercise interventions for low back pain: a systematic review and meta-analysis.BMC musculoskeletal disorders · 2025Pooled it
- Exercise therapy for chronic low back pain.The Cochrane database of systematic reviews · 2021Pooled it
- A Comparison of the Acute Effects of Percussion Massage Therapy and Static Stretching on Hamstring Elasticity.Ethiopian journal of health sciences · 2023Trial
- Hamstring strength and hip mobility associated with pain and disability in lumbar instability.Scientific reports · 2025Article
- Trunk stability and breathing exercises superior to foam rolling for restoring postural stability after core muscle fatigue in sedentary employees.Scientific reports · 2025Article
- Pain and Disability Therapy with Stabilization Exercises in Patients with Chronic Low Back Pain: A Meta-Analysis.Healthcare (Basel, Switzerland) · 2025Review
- Effects of different treatments on pain, functional disability, position sense and range of motion in elite bodybuilders with chronic low back pain.Scientific reports · 2024Article
- Kinematic changes of the trunk and lower limbs during voluntary lateral sway postural control in adults with low back pain.Frontiers in bioengineering and biotechnology · 2024Article
- The effects of hamstring stretching exercises on pain intensity and function in low back pain patients: A systematic review with meta-analysis of randomized controlled trials.SAGE open medicine · 2024Review
- Fatigue and recovery-related changes in postural and core stability in sedentary employees: a study protocol.Frontiers in physiology · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundHamstring shortening may have negative impacts on function and biomechanics of knee and hip joints and lumbo-pelvic rhythm. Many interventions are believed to correct hamstring to its normal length. There are several reports of impairment in postural control of patients with low back pain. The purpose of this study was to compare the effect of stretching exercise and strengthening exercise in lengthened position of the hamstring muscle on improving the dynamic balance of the person in patients with chronic low back pain with short hamstring muscles.
methodsForty-five patients with hamstring shortening who referred to physiotherapy clinic of Kermanshah university of Medical Sciences, Kermanshah, Iran were randomly allocated to the three groups; static stretching (n = 15), strengthening exercise in lengthened hamstring position (n = 15) and control (n = 15). All groups received conventional physiotherapy for low back pain and the two intervention groups received stretching exercise and strengthening exercise in lengthened position programs as well. All groups performed three treatment sessions for a week, a total of 12 sessions. For balance assessment, Y-Balance test was performed for each participant in three reach directions. To determine the important and significant variables, all variables entered a model (Generalized Estimation Equations method).
resultsThe results indicate that based on GEE model, by controlling other variables, participants of static stretching exercise showed more improvement in balance than control group (β = 9.58, p-value = 0.014). Also, balance status showed significant improvement in the end of study compared to baseline of the study (β = 7.71, P-value< 0.001). In addition, the balance in three reach directions improved significantly and the greatest balance improvement was in the anterior reach direction (β ranged over = 6.16 to 11.59) and the height of patients affected their balance (β = 0.28, P-value = 0.034).
conclusionsGroup (type of intervention), phase of intervention, reach direction of test (anterior, posteromedial and posterolateral) and height of participants were associated with balance performance. Static stretching exercise was more effective than muscle strengthening exercise in lengthened position for improving dynamic balance in low back pain patients with hamstring tightness.
trial registrationIranian Registry of Clinical Trials (I RCT201507258035n2 ). Registered 16th September 2015.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.