Ayurveda recommends moving your body daily, walking after meals, and increasing the intensity of exercise as needed according to body type (kapha) and season (spring).
In yoga class you may hear the queue to work out to 80% capacity.
Why? Because yoga and Ayurveda recognize and seek to cultivate the subtle energies, the life forces Prana, Tejas, and Ojas.
Extreme fitness and elite athletes push their bodies to the point of breaking, using up precious life energy to accomplish their fitness goals.