Stretches and exercises that end back pain without getting out of the chair. Back pain that is based on risk factors typical of our modern life and sometimes as unexpected as the habit of smoking.

Most workers in the most developed countries spend a good part of their working day sitting in front of a computer. "Prolonged exposure to the screen and the sedentary lifestyle typical of office work are generating important public health problems," says Brian Ferreira, training manager of the chain of Distrito Estudio training centers.