Gymnastics on Apparatus Volume 2: Parallel Bars, High Bar, Pommel Horse. The second volume of Gymnastics on Apparatus focuses on the fundamental exercises on the parallel bars, high bar, and pommel horse. It particularly emphasizes aspects of teaching and learning, methods, error correction, as well as assistance and safety. The authors build on Volume 29 of the Practical Ideas series. Gymnastics, or apparatus gymnastics, is considered one of the fundamental sports and is referred to as the nursery of sports, as it allows for a wide range of movement and body experiences. Learning, practicing, and training apparatus exercises promotes the development of coordination and conditioning abilities, as well as other personality traits, and ensures competencies in everyday life and sports.