To remain flexible or recover lost flexibility, stretching is essential. They are essential to "relax the muscles, relax and untie," lights Claudine Pons. Often very easy to perform, stretching can be stalled in any schedule, in many situations of everyday life. What is reassuring is that it is possible to improve its flexibility at any age provided of course to be regular, persevere and stretch by listening to his body to go at his own pace.