Here are some things that help me....a good breathing pattern, focus at the target not the sights, the correct draw weight, makesure thatyou are not torqing the bow (makesure that your life, line in you palm, is always on the side of the grip and not behind it)and nothing can take the place of practice which allows you to condition your muscles.

Philg
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'07 MathewsDrenalin 60-70lbs, 29"
Trophy Ridge Guide Series Micro Matrix
Mathews convertible HD drop away rest
Weight forward, camo 350 Maxima hunter arrows with
White crestwrap, Blazer vanes andLumenocks.
G5 Montec & WASP Bullet broadheads
Scott Sabertooth release
Phantom peep sight