Isokinetic Profile of Ankle Muscles in Chronic Non-Specific Low Back Pain Patients
Official title: The Relationship Between Chronic Non-Specific Low Back Pain and Isokinetic Performance of Ankle Joint Muscles
Run by Cairo University · NCT07636967 · Data updated 2026-11-12
This study tests how ankle muscle performance differs in men with chronic non-specific low back pain compared with typical expectations, using isokinetic testing to explore links between pain, function, and fatigue.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 20 Years to 25 Years |
| Sex | Men only |
| Enrollment | 50 (estimated) |
| Sponsor | Cairo University Academic / other |
| Locations | 1 site (Tanta, Gharbia Governorate) |
| Status | Recruiting |
| Started | June 13, 2026 |
| Main results expected | October 30, 2026 |
| Study ends | December 1, 2026 |
| Registry record updated | July 17, 2026 |
| Trial ID | NCT07636967 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are men aged 20-40 with chronic non-specific low back pain (pain >3 months, VAS ≥3, MODI 21-40%) referred by an orthopedic surgeon and meeting other criteria.
✕Probably not a fit
Individuals with prior back surgery, spine disorders like herniation or stenosis, or chronic ankle instability may not benefit from this study outcomes.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study uses the Humac Isokinetic system to measure ankle joint muscle strength, endurance, and timing in 50 male adults with chronic non-specific low back pain. Researchers will correlate isokinetic results with pain levels, disability scores, psychological status, and overall fatigue. The study aims to identify patterns in ankle muscle performance that may relate to postural or functional impairments associated with low back pain. Participants will undergo testing under standardized conditions, with data analyzed for dominant versus non-dominant limb differences and relationships to clinical measures. The study is conducted at Al-Salam University with Cairo University as lead sponsor.
Why it matters
Potential benefit: If successful, findings could improve understanding of how ankle muscle function relates to chronic low back pain and potentially inform rehabilitation strategies.
How similar studies have gone: Previous research has explored links between back pain and lower limb function, but data on detailed isokinetic ankle profiles in CNSLBP are limited, making this approach relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. 50 male patients diagnosed with Chronic non-specific low back pain through direct referral from their orthopedic surgeon. 2. Each patient will be diagnosed by "Waddle sign" 3. Age limit 20-40 years. 4. BMI: less than 30. 5. Pain duration: chronic more than 3 months or 12 weeks. 6. Pain location: Between T12- and lower gluteal folds. 7. Pain Intensity: At least have 3 out of 10 on VAS. 8. Level of functional disability: 21%-40% on MODI. 9. Each patient sign an informed consent. Exclusion Criteria: 1. Unexplained weight loss. 2. History of malignancy. 3. Recent trauma within last 12 months. 4. Osteoporosis. 5. Cauda Equina Symptoms. 6. Herniated discs. 7. Radicular signs. 8. Spine fractures. 9. Spinal Canal Stenosis. 10. Myofascial Pain Syndrome. 11. Spondylolisthesis. 12. Rheumatological history. 13. CVS manifestations. 14. GIT manifestations. 15. Psychiatric disorders. 16. Weakness or parathesis in L.L. 17. History of back surgery. 18. Chronic Ankle Instability. 19. Scoliosis or leg length discrepancies. 20. Neurological and systemic manifestations such Epilepsy, muscular diseases, or seziures. 21. Mechanical back pain
Where it's running
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Al-Salam University
Tanta, Gharbia Governorate, Egypt Recruiting
Study contacts
- Study coordinator: Mohamed Hazem Abdelhakam Elshafey, Demonstrator (TA)
- Email: mohamedhazem3333333333@gmail.com
- Phone: +201114946552
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.