Due to stacking Winstrol Depots and Testosterone Propionate I'm up to 6 or 7 injections per week. One of my friends whose a bodybuilder suggested shooting them into my delts, biceps and triceps. He said injecting into a lagging muscle might actually make it grow faster. Has anyone ever done these injection sites and which ones should I stay away from? And is the lagging muscle injection a myth or true?