"Muscle tension" refers to a feeling of tightness or strain in your muscles. It usually happens when your muscles get stretched, overworked, or stressed.
Taking five minutes to focus on your body during these mentally straining times can help reduce muscle tension that is commonly associated with stress. (blog.bridgeathletic.com)
In general, people seek massage therapy to promote relaxation by relieving muscle tension, and to relieve pain. (azhealthyfamilies.org)
Most guide the listener through relaxing the body by releasing muscle tension. (thespruce.com)