Researchers are still trying to figure out exactly what happens within muscle to create knots.
They are also known as myofascial trigger points.
Here is an article on a few ways you can avoid or alleviate them: ARTICLE
Summary about muscle knots:
- Can be annoying
- Nothing to worry about
- Be consistent with exercise habits and moving throughout the day to prevent knots from developing in the first place
- Noticing muscle knots, simply stretch at the end of the day or perform self-myofascial release techniques