Neck, shoulder, waist and leg pain are symptoms of diseases such as cervical spondylosis and lumbar disc herniation, which have been increasingly found in young and middle-aged people in recent years. This is mainly due to the large amount of exercise in young and middle-aged people and has a lot to do with some bad posture habits. So what exactly causes neck, shoulder, waist and leg pain? Today, we will expose the "inside story".