A Ali New member Dec 29, 2010 #1 hey guys i would appreciate if u can answer my questions i want more muscle mass iam 13 years old (almost 14) 5'7 140lb and i do 14lb dumbbell curls 100reps 2 sets so i keep doin what im doing?
hey guys i would appreciate if u can answer my questions i want more muscle mass iam 13 years old (almost 14) 5'7 140lb and i do 14lb dumbbell curls 100reps 2 sets so i keep doin what im doing?
