They have more prevalence because they're not sitting right.

The primary focus of McKenzie is empowering the patient. We're tying to take ourselves out of the equation.

It's a minute and a half to do the exercises.

Ninety-two percent of back pain resolves in two months.

We've got to take care of our own business. If we don't do that, we could be sitting at home in a few weeks.

That prevalence dropped to 26.4 percent at one year and remained stable. Not wanting to be seen undressed went from 62.7 percent to 34.3 percent.