Is There a Relationship Between Tissue Status and Stiffness?

Stiffness isn't because some muscle is on all the time. It's not because there's too much muscle activity. So that doesn't even make people. People just assume that something's tight, meaning there's less mobility,. That's not true either. You know, we just know that these perceptions and sensations of tightness and stiffness sometimes are due to other things.