Stay away from power tools ... lol. I use a lot of methods of injury avoidence ... warming up sufficiently, train what is not sore,, if something is injured ,,, stay away from that area until it heals and train other areas, Stretch after weights, I use bands and martial arts leg stretcher primarily. Deep massage once a month. I use a rumble roller (hard knobby roller) to roll out knots and tight spots in my lower body. I use trigger point balls to work out tightness in my forearms, tri's, shoulders.