"i am 73. i could not exercise due to arthritis pain. i was advised to have my knee replaced but was not willing because of many other medical problems. i was fearful of further strain on my body. 

percocet (5/325) allowed me to return to swimming laps 30-40 minutes a day and to walk 30-40 minutes a day. i only take it before exercising. it is wonderful. my strength has increased and my arthritis is better. my knee has stabilized to some extent."