"Muscular tension" refers to a feeling of tightness or stiffness in your muscles. It occurs when your muscles become contracted or strained, often due to stress, physical activity, or poor posture. Full definition
You experience slow movements to warm the body and release muscular tension, breathing techniques to calm the nervous system, and simple postures to build stability. (theyogiunderground.com)
I started to feel how my bones wanted to line up but that there was also some kind of muscular tension pulling them out of alignment. (ashtangayoga.info)
But what precisely is it that causes muscular tensions in the first place? (ashtangayoga.info)