Just look at any drummer at the end of a concert or even a longer rehearsal: they are exhausted, they sweat rivers. That concludes that just as in the case of any other sport, before activity you need to warm up.
"You are only as old as you feel," is an often quoted truism amongst those of us who are nearing, have reached or passed by the half century mark. In order to feel young(er) you have to act young(er).
