Everybody is different, and every
body responds differently, after you have been body building for awhile, you
will learn what your body responds to well, use that to your advantage.
Switch up your weight lifting program to do more alternating curls on an
incline bench instead of just standing bicep curls if you feel they get you
a better pump. Be instinctive, let your body help make your program.
Starting a training journal may
not be a bad idea, you can analyze what has done good in the past for you
and what has not done so well.