Warming Up
People usually consider a warmup as doing a few stretches and then getting into the main training they want to do at the gym. The stretches that an uneducated trainer will perform will, most likely, be static passive stretches. These are stretches where the limb being stretched is supported. Commonly this means they sit on the ground and try and touch their toes… Then they start warming up the the actual exercise they want to do.…