Exercise is important for keeping the body fit and healthy. However, some types of exercises cause harm. These exercises are unsafe for patients who are suffering from diseases. Before you do any exercise, you should have complete knowledge about the effect of that exercise. You should know the right method of doing the exercise. Choose the right exercise according to the requirement of your body condition. You should do research and learn more about the exercise you do. Consult a doctor if you have pain after doing exercise. We will tell you about some exercises that you should avoid. Following are the 5 exercises you should never do.