Above all, the most important thing you can do when working out is warming up properly.
So WHY is it so important?
Think of your muscles like rubber bands.
If you spend all day sitting at a desk, hunched over a keyboard, those rubber bands have gone almost completely unused. Now, combine this lack of movement with some cold winter weather – your bands are now extra tight and constricted. Then, go to a gym and immediately start lifting heavy weights or sprinting really fast – those cold, rubber bands get pulled apart very quickly and will snap.
So, what about just regular, static stretching then? Unfortunately, just doing static stretching before a workout can overextend those muscles and actually rob them of the power and strength necessary for your actual workout.
On top of that, doing a dynamic warm up can help activate your central nervous system, priming your muscles for body for a great workout that produces your best effort, which will help you perform well in each exercise.