Who can benefit? Well, everyone between A-Z and many more
Captians (like from a ship)
X not yet
They all share a common thread. Their passion or profession has been slowed by an injury, that list as well is as varied as A-Z.
My classes use a set of stability, mobility and flexibility exercise to return you to alignment. When your body is in alignment there is proper distribution of weight and tension which significantly reduces pain, increases the flexibility of the body and range of movements available.
At counter strain you are trained to counter your strain