Motion Capture Analysis of Sacroiliac Joint Motion After Manipulation
NCT ID: NCT00620906
Last Updated: 2013-05-03
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
20 participants
INTERVENTIONAL
2007-01-31
2008-03-31
Brief Summary
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Detailed Description
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Recent studies identify the Sacroiliac (SI) joints as a significant source of pain in patients with chronic low back pain, contributing up to 27%. Recent studies have demonstrated that historical and physical examination findings and radiological imaging alone are insufficient to diagnose SI joint pain.
The purpose of this study is to examine the effects of manipulation on sacroiliac joint motion using a Polhemus motion capture system. The Absolute angular deviation of sacroiliac joint motion will be assessed during the normal gait cycle with the Polhemus Liberty motion capture system. Six sensors will be attached to specific anatomical landmarks of the pelvis which recorded motion characteristics while walking on a treadmill at 5 mph. The subjects then receive a HVLA manipulation to the SI joint and were retested at the same treadmill speed.
The Motion capture system tracks objects at a speed of 240 updates per second on all sensors simultaneously. The latency of data sampling is less than 4ms; 240 x 60 sec x 8 Sensors totaling 115,200 data points per minute. The system generates and tracks electromagnetic fields (EMF), computes position and orientation of sensors in an X, Y, and Z coordinate system while interfacing with a computer. The EMF source contains electromagnetic coils that emit a magnetic field. The source is the system's reference frame for sensor measurements. The sensor contains electromagnetic coils (accelerometers) that detect the position and orientation of the magnetic fields emitted by the EMF source.
Conditions
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Study Design
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NA
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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A
Manipulation
Manipulation
HVLA manipulation to Sacroiliac Joint
Interventions
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Manipulation
HVLA manipulation to Sacroiliac Joint
Eligibility Criteria
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Inclusion Criteria
* Ability to maintain normal balance
* Willingness to undergo HVLA manipulation to the SI Joints
* Normal blood pressure
Exclusion Criteria
* Any recent surgery, unstable joints of the lower extremity, recent hip and knee joint replacements or fitted hip or knee pins, bolts and/or plates
* Currently have any infection, acute inflammation, recent wounds, injury, tumors or other malignancy
* Currently taking any medications; prescription or herbal muscle stimulants, relaxants, etc.
* A history of acute disc herniation, discopathy or spondylolysis
* A history of acute thrombosis, serious cardiovascular disease, diabetes, have irregular heartbeats(arrhythmia) or wear a pacemaker
* Any implanted device or prosthesis type of device
* Any Spinal manipulation within 48 hours
* Ages under 20 and over 40
* Estimated BMI greater than 30
20 Years
40 Years
ALL
Yes
Sponsors
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Logan College of Chiropractic
OTHER
Responsible Party
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Dennis Enix, DC, MBA
Assistant Professor
Locations
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Logan College of Chiropractic
Chesterfield, Missouri, United States
Countries
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Other Identifiers
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RD0524070094
Identifier Type: -
Identifier Source: org_study_id
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