When your are lifting with muscular strength you must never what?
what must u not do?
When lifting the weight lifts, you must not take water before finishing the exercise. This is because the water taken may lead to stitch while exercising. The other thing is you must not start with the heavy weight first, because your body may not have warmed up properly leading to serious injuries. For more advice, visit this link: http://www.livestrong.com/article/156785-safety-precautions-to-follow-when-weight-training/.