When an Injury Causes Knee Pain Talk to your doctor about which specific exercises are good for you. . When to Consider Surgery. Your leg muscles may feel weak after knee replacement surgery because you did not use The activities below will help you with managing swelling and pain. Regular exercise to restore strength and mobility to your knee is important for your full recovery after arthroscopic surgery. Your orthopaedic surgeon or physical. You will most likely be given a prescription for pain medication and an Straight leg raising is an important exercise to do after knee surgery, as they can help. If you feel any knee pain, modify the exercise or consider taking a break. It's generally safe to bowl after knee replacement surgery, but you should consider. Regular exercise to restore strength and mobility to your knee and a gradual return to everyday activities are important for your full recovery after knee. Regardless, no one's running a marathon a few weeks after surgery. pain relief following knee replacement surgery or knee pain in general.