No. Most people feel a gentle spine stretch and muscle relaxation at 20 or 30 degrees past horizontal. Older adults can experience results with a 10- to 15-degree inversion. Many practitioners recommend that you don’t go beyond 60 degrees. Inversion therapy experts say that 60 degrees should provide maximum benefits for average users. A 90-degree inversion could be beneficial for an elite athlete in training or an experienced home user who wants to perform calisthenics.