What is it about?
This study aimed to examine the latissimus dorsi and gluteus maximus muscles activation pattern and the upward scapular rotation in patients with chronic LBP. The findings showed that chronic LBP increased the latissimus dorsi muscle activities and decreased the gluteus maximus activities. It furthermore increased the upward scapular rotation in different shoulder abduction positions.
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Why is it important?
Scapular dyskinesia is related to the increased latissimus dorsi stiffness. The latissimus dorsi stiffness increases the upward scapular rotation and posterior tilt; however, scapular internal scapular rotation decreased during humeral elevation. Since the latissimus dorsi is attached to the inferior border of the scapula, its stiffness affects scapular motion. Moreover, Researcher found an increasing scapular rotation in a patient with chronic LBP at the neutral position and shoulder at 40–45 degree abduction. The relationship between scapular position and electromyography (EMG) of lumbopelvic muscles, especially the latissimus dorsi and gluteus maximus, must be identified.
Read the Original
This page is a summary of: Chronic low back pain changes the latissmus dorsi and gluteus maximus muscles activation pattern and upward scapular rotation: A cross-sectional study, Journal of Back and Musculoskeletal Rehabilitation, January 2022, IOS Press, DOI: 10.3233/bmr-200253.
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