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NCT05490966 Clinical Trial

Effects of Isometric Muscle Fatigue on Trunk Muscle Stiffness

Muscle Tightness Clinical Trial

Official title:
Effects of Isometric Muscle Fatigue on Trunk Muscle Stiffness

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT05490966
Other study ID # SWE_Isometric
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 10, 2022
Est. completion date October 18, 2022

Study information
Verified date October 2022
Source University of Primorska
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Interventional study of the effects of a trunk extensor muscles fatigue protocol on trunk extensors stiffness.

Description:

Single visit interventional study of the effects of a trunk extensor muscles fatigue protocol on multifidus and erector spinae muscle stiffness measured by Ultrasound based Shearwave elastography.

Recruitment information / eligibility
Status Completed
Enrollment 22
Est. completion date October 18, 2022
Est. primary completion date October 1, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 40 Years
Eligibility Inclusion Criteria: - Physically active at least 3 hours a week Exclusion Criteria: - Low back pain in the past 6 months - History of chronic low back pain - History of spinal or pelvic operation - Hypermobility, more than 4 points on Beighton scale - Cardiovascular or systemic diseases - Pregnancy

Study Design

Related Conditions & MeSH terms

Intervention

Other:
• isometric trunk extensor muscles fatigue
Participants will perform three sets of intermittent isometric efforts between 50 and 60 percents of their maximal isometric strength. A padded force sensor will be placed approximately at the level of the 7th thoracic vertebrae. The first two sets will last six minutes each, while the third set will last three minutes. Between each set participants will rest for two minutes.

Locations
Country Name City State
Slovenia University of Primorska, Faculty of Health Sciences Izola

Sponsors (1)
Lead Sponsor Collaborator
University of Primorska

Country where clinical trial is conducted

Slovenia, 

Outcome
Type Measure Description Time frame Safety issue
Other Change in lumbar range of motion Lumbar range of motion will be evaluated using Modified modified Schober test. 1 hour
Primary Change of trunk extensors muscle stiffness Muscle stiffness will be measured at rest and during standardised sub-maximal exertions in prone lying position. Muscle stiffness will be expressed as the shear modulus value in kilopascals. 1 hour
Secondary Change of muscle electromyography mean amplitude Muscle activation of trunk extensors will be measured using superficial electromyography at rest and during two standardised sub-maximal exertions in prone lying position (single arm raise and upper body raise). Mean amplitude in six to eight second time frames will be calculated. 1 hour
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