For best results, cool-down stretches should be passive, so you’ll hold them for a while (as opposed to dynamic stretches before a workout, which you shouldn’t hold for long). As a rule of thumb, she aim for six to eight deep breaths.
Over 70 million individuals all over the world run competitively or recreationally, and there has recently been debate with regards to whether runners ought to be stretching before a run, or not at all. This
Warming up before a workout helps to activate your central nervous system and to maximize your performance. The improvement in blood and oxygen circulation and the increase in body temperature helps to prepare the muscles for more strenuous activities. http://www.spotebi.com/workout-routines/10-minute-core-cardio-warm-up/