CONCENTRATION IS THE KEY

10.  Always concentrate and focus on the muscles you are trying to stimulate when exercising. Try to make a lighter weight fee! like a heavier weight, in his prime Arnotd Schwarzenegger used 60 to 70 pounds to work his biceps while others were flinging up 80- or 100-pounders. Arnold made those 60's feel like 80's and built two of the greatest biceps in bodybuilding history.