Originally Posted by
machinehead
Apparently, you can't explode on the way up on deadlifts, safety comes first. In general, you don't need to count the number of seconds but rather focus on controlling the weight. It's hard to explain but as you gain experience doing this, you will find your groove and know exactly how slow it should be, be it 3 or 4 or 2.7 seconds or whatever. It becomes second nature.
You can do the stretches after each muscle group, or do all of them at the end, or do chest shoulders triceps, then the stretches for those three, then back w and back th, then the back stretch.
Good luck and have fun.