Yoga is not exercise. Period. If done correctly, and nobody in a gym is doing yoga correctly, yoga is exercise for the mind. I practiced yoga for about five years back in the nineties so I know what I’m talking about. It has its benefits but it is not exercise. At all. Not even a little bit.
If you don’t sweat from exertion or pant from fatigue then you haven’t been exercising. Walking down the street is more exercise than doing an entire yoga class. And yet these guys come out of the class flushed with satisfaction that they are doing the right thing. That they have got the old ticker beating just that little bit faster. That maybe, just maybe, they’ll be able to see the grandkiddies hit puberty.
Read it all, from start to finish, at the SOURCE