Manuel Eckardt, the developer of the "Das 5-Minuten Rückentraining" app, is the most effective and most widely known motivational speaker in Germany. In addition to the many awards and honors he has received for his work, Eckardt is a highly popular speaker at conferences and meetings, where he gives his renowned "D-Day" speech every year.

This app is not about back pain, but it can help you to get a good night's sleep and to increase your energy level.

This app is not just about sleep, rest, and recovery. It also contains exercises that can be done every day and are helpful for people with back pain, as well as daily motivational reminders.

With this app, you can not only help yourself, but you can also help others.