More than 50% of the body is made of muscles, but in spite of this most evaluations for pain do not emphasize muscles as a major cause of pain. 1. If you have pain in an area that area should be manually examined to find if the cause is from underlying muscles. 2. If you are starting a daily exercise program and you try to do as much as possible on each day you may find that you can do less each day until the end of the second week, at which time you will be able to progress. 4. If you do strengthening exercise on a stiff muscle it will get stiffer. Therefore, always relax then limber (move in the range of comfort) then stretch and only then strengthen. 5. Stress may be a major factor causing or increasing any pain. Therefore relaxation is a very important part of pain relief.