In the Strong&Flex app you get free videos handpicked by Rapha (Strong) and Toni (Flex) that will give you the best possible support on your way to a lifelong pain-free, flexible and strong body. You benefit from the unique expertise that the two YouTubers have acquired in more than 20 years as personal trainers. When it comes to getting rid of all kinds of pain, improving mobility quickly and safely, or building up strength efficiently and injury-free, the work of Rapha and Toni in the fitness & health world is unique. Thanks to the APPs news section, you wont miss any news, youll be informed about campaigns, youll get tips on particularly valuable videos and theyll provide you with motivating quotes. REGISTRATION IS FREE! Strong&Flex Premium and Exclusive members can use the app to access the Strong&Flex SYSTEM training programs even more flexibly and even offline. The training programs of the Strong&Flex SYSTEM at a glance: 1. Easy to move - mobility for beginners2. Pain-free in 6 weeks - THE back program3. Simply strong - strength training for beginners4. Easy to move - Mobility for advanced users - Hip module5. Easy to move - mobility for advanced users - back module6. Easy to move - mobility for advanced users - shoulder module7. Simply strong - strength training for advanced users - module legs8. Simply strong - strength training for advanced users - module push9. Simply strong - strength training for advanced users - module pull10. The Strong&Flex SYSTEM - all programs included A big advantage of online training with Strong&Flex:You need little or no equipment. You train with your own body weight and a training mat is often sufficient. This means you can train with Strong&Flex at any time from home or while traveling.