@karenOO No you don't need to be in good shape there,s no exercise to it @hopeful33250 sent it to me after 4days I really feel good relaxed which helps my mood,and did help my back and legs It's on You Tube Tai Chi with Don Fiore The moves are very slow mainly moving your arms in specific ways I no longer have the burny pain in my legs Try it ,it,ll make you feel different .