I have been working out for about 1 year now pretty dilegently and I work my bi's hard to get them to grow(They havent grown). But they are never sore. What do i need to do to grow? and do i need to be sore to grow?

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Originally posted by orphro13
I am 15 almost 16. My arms are almost13 inches. I weigh 137 and am 5'8. I have been working out for about a year and have gained maybe a half inch on my bi's.
for arms i do
3 sets x 8 reps preacher curl
" " DB curls
" " EZ curl bar
pull ups
3 sets x 5 reps skull crushers
3 sets x 10 reps push downs
3 sets x 8 reps close grip bench press
" " bench press
Originally posted by Mik
How do you know you've done enough??
When you progress in a lift or ?
Originally posted by PowermanDL
So I don't have to be sore to grow. Wow, thanks.
I always tried to hurt my muscles.