06/23/2026
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That stubborn ache on one side of your low back might not always be your disc. Sometimes your quadratus lumborum (QL) is working overtime.
The QL is one of the muscles that helps keep your low back stable, especially when you bend or lean to the side. When itâs overloaded from sitting, lifting, or compensating for other weak areas, it can become tight and uncomfortable.
This stretch is a great way to temporarily decrease tension and improve mobility. Research shows that stretching can help reduce pain and improve range of motion, but mobility alone isnât the answer. đ§
The bigger key? Strengthening the muscles that support your spine afterward. A resilient low back needs both mobility and stability.
Stretch whatâs tight. Strengthen whatâs weak. Move often.