Almost everyone has low back pain at some point in life. It’s one of the top causes of missed work in the U.S.
Muscle tightness can occur after hard physical work, and can also be due to long periods of inactivity. Tightness around a joint can lead to pain.
Muscle imbalances are often the result of bad posture, inactivity, or improper movement patterns, and can lead to pain.
A feeling of worry or anxiety that makes it hard to relax. This can lead to lack of energy and feeling tired, too.