The erector spinae muscles play a vital role in maintaining proper posture, spinal stability, and overall back health. Strengthening these muscles can help prevent lower back pain, improve ...

and include the muscle mass known as the erector spinae − the muscle group that helps hold up one's spine and glute muscles. Targeting this muscle group can be especially helpful. "Stretching ...

Muscle strength tests showed that m. quadratus lumborum and m. gluteus medius on the convex side of the spinal curvature appeared to be weaker compared to concave side, and m. erector spine lumbalis ...