Hello, I'm new here, and happy to find such a forum online. questions: I want to tone up upper body and abs (and drop about 10 pounds). I'm trying to fit this all into lunch hour, so I want to be efficient and effective. I know it's good to wait 48 hours between workouts. For muscle-building, I've b...

Hello, I'm new here, and happy to find such a forum online. questions: I want to tone up upper body and abs (and drop about 10 pounds). I'm trying to fit this all into lunch hour, so I want to be efficient and effective. I know it's good to wait 48 hours between workouts. For muscle-building, I've b...