There are many forms of yoga techniques in practice today. While they recognize that yoga can help reduce stress and increase flexibility and overall health, when it comes to increasing muscle fitness people think it might the most appropriate exercise to do the job.
And one area where that can be evident is in general blood circulation. Yoga promotes a harmonious working together of the body's components leading to both physical and mental training. In this case, you will have to raise the volume of your voice, without over compensating.
Students must spend several hours observing, and training, in designing lesson plans for actual yoga classes. You are paying attention to your body, and while you want to challenge it, you also want to listen to it. In yoga, you learn about your inner attention.
Signing up for a series of classes is also the best way to keep you on track, since you can pay in advance. The advantage of a Yoga video is that you can do it at home on your own time.