This one word alone can take the immobile body from being stagnant and limited in its range of motion, and transform itself into the flexible instrument which it truly is.
Yoga, as a whole, has many known and unknown benefits which range from one end of the spectrum to the other. The number one similarity in which each asana holds is the stretch. Rather it is the arms, legs, ligaments, neck, back and/or in the hands. Every inch of the body benefits from a great stretch.