My testosterone has been almost nonexistent since I started Lupron/Abiraterone/
Prednisone four years ago. I did not gain weight or lose muscle due to doing intense yoga three times a week, resistance training (weights) two times a week and walking 3-5 miles a day. I have been off Lupron for 9 months now, but my testosterone is only slowly returning so I am still plagued with the side effects, although they are improving.