http://www.supplementstry.com/platinum-xt-1000/

[Christina CPerez]

building good muscle. All other exercises should be centered around these three.Platinum XT 1000 Try your best to make the biceps curls you are doing better. During a typical biceps curl, you don't receive the most benefit from the upper part of the curl because you failed in moving the bar or the dumbbell past the parallel point.

http://www.youtube.com/watch?v=bwkLegIa4tA