Low Back Pain, Low Back Ache, Low Back Pain, Mechanical, Low Back Pain, Posterior Compartment, Low Back Pain, Postural, Low Back Pain, Recurrent, Low Backache, Lower Back Pain, Lower Back Pain Chronic, Mechanical Low Back Pain, Postural Low Back Pain, Recurrent Low Back Pain
Conditions
Brief summary
This observational study aims to learn how to measure joint motion and tissue response when pressure is applied to the back and examine how the nervous system responds to the applied pressure. This pressure or mobilization technique is a standard care but we currently do not have a method to measure this technique. Through this study, we hope to validate a tool that allows physical therapists to measure the pressure applied during spinal mobilization. Participants will be asked to: * Receive spinal mobilization * Participate in pain threshold testing * Answer questionnaires
Interventions
PROCEDURESpinal mobilization
The application of manual pressure to stiff spinal segments to improve mobility and control pain.
Sponsors
University of Kansas Medical Center
Study design
Observational model
OTHER
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
Yes
Inclusion criteria
* Healthy individuals without current or recent history (within 6 months) of low back pain * 18-70 years of age * BMI between 18.5-29.9 * Ability to read and understand English * For those with chronic low back pain: 1) low back pain more than 3 months and 2) a minimal pain level of 3 on the 0-10 pain numerical rating scale (NRS) in the last 7 days
Exclusion criteria
* Any signs or symptoms of lumbar pathology (as reported by the participant during interview such as low back pain, or lower limb neurological signs) * History of any spinal surgery * Lumbar/sacral conditions reported by the subject such as spondylolithesis, spina bifida or spinal fracture * Bony pathology such as osteoporosis or rheumatoid arthritis as reported by the participant * Pregnancy * Spine cancer * BMI \>30 * Unable to lay on stomach * Resting blood pressure more than 160/90 mmHg * Currently taking blood thinning medications * Uncontrolled diabetes * A medical exclusion from having blood pressure taken such as a peripheral neuropathy * Low signal to noise ratio fNIRS signal during calibration/setup
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Joint displacement as measured by the laboratory methods and from the lumbar mobilization feedback system. | Change from Baseline (day1) to immediately post-treatment (day 1) | The amount of joint motion for a given grade as measured by the laboratory methods and from the lumbar mobilization feedback system. |
| Applied forces as measured by the laboratory methods and lumbar mobilization feedback system | Change from Baseline (day1) to immediately post-treatment (day 1) | The magnitude of force produced by the clinician for each grade as measured by the laboratory methods and lumbar mobilization feedback system |
| Tissue resistance as measured by laboratory methods and the lumbar mobilization feedback system | Change from Baseline (day1) to immediately post-treatment (day 1) | The degree of stiffness of the joint measured as measured by laboratory methods and the lumbar mobilization feedback system |
| Change in muscle activation as measured by electromyography | Change from Baseline (day1) to immediately post-treatment (day 1) | Differences in recorded electromyography (EMG) activity before and after administration of the intervention |
| Change in pain threshold as measured by quantitative sensory testing. | Change from Baseline (day1) to immediately post-treatment (day 1) | The following tests will be used to test sensation threshold before and after grade I - IV mobilization/clinician: pressure pain threshold, conditioned pain modulation, and temporal summation. |
| Brain functional connectivity as measured by functional near infrared spectroscopy | Change from Baseline (day1) to immediately post-treatment (day 1) | Functional near infrared spectroscopy (fNIRS) is a portable, non-invasive, and inexpensive brain imaging method of monitoring cerebral hemodynamic activity. |
Countries
United States
Outcome results
None listed