Clinical Trial

Biopsychosocial Factors and Muscle Morphology After a Resistance Exercise

Completed
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Summary
The purpose of this study is to evaluate the longitudinal effects of a four-week dynamic resistance training program using the 45-degree Roman chair on pain sensitivity changes after exercise and lumbar muscle performance in individuals with chronic low back pain (LBP). This study will consist of three specific aims. Aim 1 examines changes in local exercise-induced hypoalgesia. Aim 2 will assess changes in lumbar multifidus and erector spinae thickness using ultrasound imaging before and after the intervention. Aim 3 will evaluate changes in lumbar extensor strength (handheld dynamometry (HHD)) and endurance (Biering-Sørensen test).
Protocol Amendment History 1 amendment
This ClinicalTrials.gov record has been amended once since 2025-09-29.
Status change: Not Yet Recruiting → Completed 2026-04-09
Trial Details
NCT Number NCT07203430
Lead Sponsor University of Central Florida
Conditions Low Back Pain, Chronic
Enrollment 22 participants
Start Date 2025-10-15
Primary Completion 2026-04-09 (estimated)
Study Completion 2026-04-09 (estimated)
Updated on ClinicalTrials.gov 2026-04-14