Practical exercises with various handheld devices (stick, ball, Thera-Band, and dumbbell) form the core of the third part of the book series "Functional Spinal Gymnastics and Back Training." This provides the reader with a versatile and varied training program for muscle strength, flexibility, posture, and coordination. By varying intensity and movement, effective and targeted back training is deepened, enhancing personal fitness. The authors focused from the outset on a systematic structure of the exercises. These are organized according to so-called functional circuits and arranged from top to bottom (arms - torso - legs). The starting positions also follow this order: they begin in a standing position and end on the ground. This allows readers to easily and quickly train the areas that are important to them. Back training is much more than just e.