if we rule out what your inj and your technique causing problem i would say yea 1in maybe to short u maybe giving yourself a small abscess witch is causing you pain being that your not hitting the muscle properly i would say with the 1in pin try the arm probably the deltoid muscle maybe easiest for you inj and see if you still have pain remember new muscles that have not been inj before will hurt
Last edited by frank13; 04-17-2013 at 10:01 PM.
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