For some reason, sci-fi writers have an obsession with robots that are little more than flawed, tin-can, replacement humans. Maybe that makes for a better story, but it doesn't really reflect the current state of robot technology, with its emphasis on developing practical robots that can work alongside humans.
Following your exercise session, rest your bruised knee while applying ice. After the first day of injury to your knee, you should apply ice for 10 to 15 minutes, four times per day. On the first day, you can apply ice for 15 minutes of every hour.
However, there are several options your doctor may suggest. 1  Rest your knee. If your pain is the result of an injury or overuse, the doctor may ask you to rest your knee for a period of days or weeks. This will help inflamed areas return to normal so that your pain will subside.  Ice your knee.