To diagnose a problem with the port, try using a different battery and cord for a while. Damaged Power Cord. The power cord is a wire inside a plastic sheath, and the wire can break with or without damage to the sheath. If the power goes on and off as the cord is moved or bent, the wire is likely broken.
You can work out if you're sore. Don't exercise the same muscle groups that are hurting. Do legs one day and exercise your upper body the next. By doing so, you'll still be able to get exercise and allow your lower body to recover and rebuild.
If you have a chronic condition, you might have questions about exercising. How often can you exercise? Which exercises are safe? Understand the basics about exercise and chronic disease. By Mayo Clinic Staff If you have a chronic disease â such as heart disease, diabetes, asthma, or back or joint pain â exercise can have important health benefits. However, it's important to talk to your doctor before starting an exercise routine.