Not necessarily. If incorrect functional training and fitness exercise, overloading and stretching the lumbar muscles can lead to damage to the muscles, tendons and ligaments, which will not only not relieve back pain, but even aggravate the damage. If the body suffers from other diseases, especially after middle age, if excessive fitness training, or running and other strenuous exercise, it is easy to trigger myocardial ischemia, sudden cardiac death, etc.