- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06415825
Preliminary Muscle Contraction in the Rehabilitation and Prevention of Degenerative Pain in the Locomotor System (PMQRPDP)
May 14, 2024 updated by: Assen Aleksiev, Medical University of Sofia
Preliminary Muscle Contraction in the Rehabilitation and Prevention of Degenerative Pain in the Spine, Hip, Knee, Ankle, Shoulder, Elbow, and Ankle Joints, as Well as After Hip and Knee Arthroplasty
RESEARCH OBJECTIVE: To investigate the effect of muscle preliminary contraction in the rehabilitation and prevention of degenerative pain in the spine, hip, knee, ankle, shoulder, elbow, and ankle joints, as well as after hip and knee arthroplasty.
HYPOTHESIS: Muscle preliminary contraction has a significant short-term and long-term effect in the rehabilitation and prevention of degenerative pain in the spine, hip, knee, ankle, shoulder, elbow, and ankle joints, as well as after hip and knee arthroplasty.
RESEARCH METHODS: At least 216 patients with degenerative pain in the spine, hip, knee, ankle, shoulder, elbow, and ankle joints, as well as after hip and knee arthroplasty, will be studied.
They will be randomized into pairwise sub-groups.
All will receive standard advice.
The maneuver sub¬groups will receive additional advice - preliminary contraction of the muscles in the corresponding kinesiology segment.
This advice will be embedded in all motor activities of daily living involving the relevant area.
The following follow-up parameters will be used: visual analogue pain scale, manual muscle testing, goniometry, centimeter, and preliminary contraction success rate.
Their follow-up will be threefold - at the beginning, after 1, and after 6 months.
For statistical processing, multiple analysis of variance (MANOVA), with post hoc Bonferroni multiple tests, and Pearson correlation analysis, with post hoc regression analysis, will be used.
CONCLUSION: The positive results will allow the preliminary muscle contraction to be used as a universal tool in the rehabilitation, prevention, and prevention of degenerative pain in the spine, hip, knee, ankle, shoulder, elbow, and ankle joints, as well as after hip and knee arthroplasty (international contribution).
This maneuver is very short (seconds), easy (everybody can perform it), does not require the allocation of time, space, and resources (including financial ones), and is instantly incorporated into everyday life.
Study Overview
Status
Not yet recruiting
Conditions
Intervention / Treatment
Detailed Description
RESEARCH OBJECTIVE: To investigate the effect of muscle preliminary contraction in the rehabilitation and prevention of degenerative pain in the spine, hip, knee, ankle, shoulder, elbow, and ankle joints, as well as after hip and knee arthroplasty.
SCIENTIFIC IDEA: Muscle latency (M1, M2, triggered response, proprioceptive visual/vestibular responses, and M3) leads to chronic damage.
During the first 50-200 milliseconds of the movement, there is no internal muscular protective counterforce against external loads on discs, joints, ligaments, insertions, etc. inert structures (including arthroplastic ones), happening thousands of times a day.
This leads to repetitive cumulative microtrauma with damage to the "pneumatic hammer" principle, as well as faster wear in arthroplasties.
Precontraction of muscles eliminates latency and stabilizes inert (and arthroplastic) structures.
WORKING HYPOTHESIS: Muscle preliminary contraction has a significant short-term and long-term effect in the rehabilitation and prevention of degenerative pain in the spine, hip, knee, ankle, shoulder, elbow, and ankle joints, as well as after hip and knee arthroplasty.
RESEARCH METHODS: At least 216 patients with degenerative pain in the spine, hip, knee, ankle, shoulder, elbow, and ankle joints, as well as after hip and knee arthroplasty, will be studied.
They will be randomized into pairwise sub-groups.
All will receive standard advice.
The maneuver sub¬groups will receive additional advice - preliminary contraction of the muscles in the corresponding kinesiology segment.
This advice will be embedded in all motor activities of daily living involving the relevant area.
The following follow-up parameters will be used: visual analogue pain scale, manual muscle testing, goniometry, centimeter, and preliminary contraction success rate.
Their follow-up will be threefold - at the beginning, after 1, and after 6 months.
For statistical processing, multiple analysis of variance (MANOVA), with post hoc Bonferroni multiple tests, and Pearson correlation analysis, with post hoc regression analysis, will be used.
CONCLUSION: The positive results will allow the preliminary muscle contraction to be used as a universal tool in the rehabilitation, prevention, and prevention of degenerative pain in the spine, hip, knee, ankle, shoulder, elbow, and ankle joints, as well as after hip and knee arthroplasty (international contribution).
This maneuver is very short (seconds), easy (everybody can perform it), does not require the allocation of time, space, and resources (including financial ones), and is instantly incorporated into everyday life.
Study Type
Interventional
Enrollment (Estimated)
216
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Assen R Aleksiev, MD, PhD, DMS
- Phone Number: +359899401615
- Email: assen_aleksiev@doctor.com
Study Contact Backup
- Name: Natali Dimitrova-Atanasova
- Phone Number: +359 2 9152150
- Email: natanasova@mu-sofia.bg
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- age over 18 years;
- legal capacity;
- patients with recurrent degenerative pain (at least two relapses in the last 12 months), in various joints (vertebral, hip, knee, ankle, shoulder, elbow, and knee), in an exacerbation stage (started up to 2 weeks before recruitment), occurring with periodic exacerbations and remissions (relapse duration of more than 24 hours, preceded and separated by remission of at least 1 month);
- with excitatory (painful) symptoms (but without ablated ones - without paresis, paralysis, and pelvic-reservoir damage);
- as well as after hip and knee arthroplasty.
Exclusion Criteria:
- age under 18,
- incapacity;
- neurological symptoms have disappeared (paresis, paralysis, and pelvic-reservoir disorders),
- macro-injuries (fractures, dislocations, distortions),
- structural anomalies, severe osteoporosis, infectious diseases, febrility, malignant diseases, specific inflammatory and autoimmune diseases (such as rheumatoid arthritis, ankylosing spondylarthritis, etc.), mental diseases, increased tendency to bleed (hemophilia, etc.), as well as cardiovascular vascular, respiratory, liver, kidney and metabolic damage with marked failure.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: With pre-contr.
The patients will receive standard advice and an additional one - preliminary contraction of the muscles in the corresponding kinesiology segment.
|
The maneuver groups will receive standard advice and an additional one - preliminary contraction of the muscles in the corresponding kinesiology segment.
This advice will be embedded in all motor activities of daily living involving the relevant area.
Standard advice includes avoiding heavy physical activity, sudden and unexpected loads, repetitive and prolonged overloads, and long periods of hypomobility.
|
Active Comparator: Without pre-contr.
The patients will receive standard advice.
|
Standard advice includes avoiding heavy physical activity, sudden and unexpected loads, repetitive and prolonged overloads, and long periods of hypomobility.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Visual analogue pain scale
Time Frame: At baseline, at 1 month, and at 6 months.
|
To assess the intensity of pain on a visual analog scale, a 10 centimeters segment is drawn on a piece of paper.
The patient notes the intensity of pain on this line between the left end of the line (0=no pain) and the right end (10=maximum pain intensity).
The result is registered in centimeters - from 0 to 10 centimeters.
|
At baseline, at 1 month, and at 6 months.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Preliminary muscle contraction success rate
Time Frame: At baseline, at 1 month, and at 6 months.
|
Success rate refers to how often patients remember to perform preliminary muscle contraction.
For example, if this maneuver is skipped every second movement (standing, sitting, bending, standing, lifting, etc.), the success rate is 50%, every third - 77%, every fourth - 85%, and so on.
|
At baseline, at 1 month, and at 6 months.
|
Manual muscle testing
Time Frame: At baseline, at 1 month, and at 6 months.
|
Muscle strength is verified against the examiner's manual resistance and grading on a 0 to 5 scale accordingly: 0 - No movement; 1 - Flicker of movement; 2 - Through full range actively with gravity counterbalanced; 3 - Through full range actively against gravity; 4 -Through full range actively against some resistance; 5 - Through full range actively against strong resistance.
For statistical comparability and prognostic value, this scale will be transformed into percentages of the norm: 0=0%; 1=14.29%;
2=35.72%;
3=57.14%;
4=78.57%;
5=100%.
|
At baseline, at 1 month, and at 6 months.
|
Range of motion
Time Frame: At baseline, at 1 month, and at 6 months.
|
Each specific joint has a range of motion that is expressed in degrees measured by goniometer.
For statistical comparability and prognostic value, the angular degrees will be transformed into percentages of the norm from 0 to 100%.
|
At baseline, at 1 month, and at 6 months.
|
Centimeter measurements
Time Frame: At baseline, at 1 month, and at 6 months.
|
Centimeter measurements of circumferences of kinetic segments for verification of muscle hypotrophy - in centimeters.
|
At baseline, at 1 month, and at 6 months.
|
Thomayer's test
Time Frame: At baseline, at 1 month, and at 6 months.
|
Thomayer's test is performed from a standing position with maximum flexion of the torso, bending the body forward and down with relaxed arms to the floor.
The distance from the tip of the extended fingers to the floor is measured in centimeters.
Inability to reach the floor with fingers is considered limited ROM (centimeters with a negative sign), when touching the floor with fingers - normal ROM (0 centimeters), and when touching the floor with palms - hypermobility (centimeters with a positive sign).
|
At baseline, at 1 month, and at 6 months.
|
Schober's test
Time Frame: At baseline, at 1 month, and at 6 months.
|
Schober's test is performed from a standing position.
A 15 cm descending segment from the processus spinosus of L1 (in the caudal direction) is measured and the two points are marked.
Maximum flexion of the torso is performed by bending the body forward and downward.
From the final flexion position, the distance between the two marked points is measured.
The increase in the distance between the two points is recorded.
The reference values are from 2.5 to 5 cm., i.e. under 2.5 cm. is considered hypomobility, and over 5 cm. - hypermobility.
|
At baseline, at 1 month, and at 6 months.
|
Ott's test
Time Frame: At baseline, at 1 month, and at 6 months.
|
Ott's test is performed from a standing position.
A 30 cm descending segment from the processus spinosus of C7 is measured (in the caudal direction) and the two points are marked.
Maximum flexion of the torso is performed by bending the body forward and downward.
From the final flexion position, the distance between the two marked points is measured.
The increase in the distance between the two points is registered.
Reference values are from 2.5 to 5 cm., i.e. under 2.5 cm. is considered hypomobility, and over 5 cm. - hypermobility.
|
At baseline, at 1 month, and at 6 months.
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Assen R Aleksiev, Head Department of Physical Medicne and Rehabilitation, Medical University of Sofia
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Aleksiev AR. Ten-year follow-up of strengthening versus flexibility exercises with or without abdominal bracing in recurrent low back pain. Spine (Phila Pa 1976). 2014 Jun 1;39(13):997-1003. doi: 10.1097/BRS.0000000000000338.
- Magnusson ML, Aleksiev A, Wilder DG, Pope MH, Spratt K, Lee SH, Goel VK, Weinstein JN. European Spine Society--the AcroMed Prize for Spinal Research 1995. Unexpected load and asymmetric posture as etiologic factors in low back pain. Eur Spine J. 1996;5(1):23-35. doi: 10.1007/BF00307824.
- Wilder DG, Aleksiev AR, Magnusson ML, Pope MH, Spratt KF, Goel VK. Muscular response to sudden load. A tool to evaluate fatigue and rehabilitation. Spine (Phila Pa 1976). 1996 Nov 15;21(22):2628-39. doi: 10.1097/00007632-199611150-00013.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Estimated)
May 14, 2024
Primary Completion (Estimated)
May 14, 2025
Study Completion (Estimated)
May 14, 2026
Study Registration Dates
First Submitted
March 29, 2024
First Submitted That Met QC Criteria
May 14, 2024
First Posted (Actual)
May 16, 2024
Study Record Updates
Last Update Posted (Actual)
May 16, 2024
Last Update Submitted That Met QC Criteria
May 14, 2024
Last Verified
May 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 757/29012024
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
IPD Plan Description
All global statistical data except personal information from the patients.
IPD Sharing Time Frame
The data will become available from 11.05.2025 to 11.05.2026.
IPD Sharing Access Criteria
The data will become available upon request from the principal investigator.
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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