Have you ever gone to the gym and seen people ‘swing’ the weights?  Perhaps you have seen muscle heads bench press heavy weight, only to bounce it off their chest.  Are these the correct ways of working out?  How effective is their workout - if at all? Professional Trainer Gino Arcaro speaks about these types of movements in his book “Soul of a Lifter” and discourages people to do them.  Instead, he promotes what he calls “Zero Momentum”.  Zero Momentum is all about controlling the weight and make certain that there is no bounce or swing in your reps.  For example, when you perform bicep curls, do not swing your body, implement shoulders, or do ½ curls.  Instead, your biceps should follow a steady track with no swing, no use of other body parts, strictly your arms. Another example of Zero Momentum is NOT bumping the long bar off your chest while doing bench presses.  Bouncing the bar off your chest can cause injury, soreness to the chest area, and ultimately cheats your muscles out of an excellent workout. Always remember that working out is not rocket science, but when...