Analysis of Crepitus in Human Subjects (NCT05425017)
Simultaneous Crepitus and Diagnostic Ultrasound Assessment of the Lumbar Zygapophyseal Joints Expansion of Validation and Reliability of Automated Analysis of Crepitus in Human Subjects
🩺 Plain-English Summary (8th-Grade Level)
Chiropractic adjustment has been shown to gap certain joints in the spine, thereby improving mobility in individuals with decreased movement capabilities. During normal motion, joints in the spine produce sounds and vibrations called crepitus. The purpose of this study is to assess how this crepitus may be used as an indicator for joint degeneration in healthy human subjects and those with low back pain, and if chiropractic adjusting causes change in this crepitus. The investigators hypothesize that change in crepitus after adjustment may be a useful indication of changes in joint mobility and joint stiffness.
Who can join: Review the eligibility criteria below.
Location: National University of Health Sciences — Lombard, Illinois
Age range: 30 Years to 75 Years
🧪 Interventions in This Study
- Range of motion with spinal adjustment (OTHER)
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (2 Sites)
- National University of Health Sciences — Lombard, Illinois
- National University of Health Science — Lombard, Illinois
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.