How can you build up your muscle tone?
By doing 2 or 3 different workouts, If your trying to build your arms, do 1 set of prison curls, next set do barbell curls, next set whatever, mabey dumbbell curls ... switching it up like that will give u better results, in time of course ...
exercise and weight training.
Isolation movements. They are the best
For tone do 2or3 exercises per body part using light weight and high reps like 12-15reps for size use heavy weight and low reps 7-10