whats up guys ive been workin out for a while and i used to do one body part a week workouts and recently i started doing 2 body parts a week...i was wondering, say i do chest the first time i do it for the week i work out heavy everyhting 6-8 reps and then next time i do it switch up all the workouts and do more repetitions say 12-15 reps with different excersizes....is this too much over training or is this alright to do...thanks bros