Life can leave your body tense — whether from long hours at a desk, lifting heavy bags, or dealing with everyday stress. Those tight, stubborn knots in your muscles can make you feel stiff, sore, and uncomfortable. In this article, we explain what muscle knots are, describe the common symptoms they cause, and share proven methods to relieve them — plus practical tips to prevent new ones from forming. What is a Muscle Knot? A muscle knot is a small, tight, and sensitive area w