Without any doubt, the parallel bars are an invention of Friedrich Ludwig Jahn, who put up three trestles in his “Hasenheide” in Berlin, where the gymnasts were supposed to do some power exercises for gymnastics at horse. That means, the parallel bars were an apparatus to do supporting training exercises on; therefore there was only a small amount of special exercises at the beginning. The parallel bars could not be moved, since they were set in the ground. Soon, however, they became an independent and preferred apparatus. In 1819, the Spanish Amoros described the first transportable parallel bars, which the pharmacist Kluge from Berlin built.
Modern gymnastics at parallel bars reminds of gymnastics at horizontal bar sometimes, due to large swings and big movements, but is also characterized by more or less conservative dismounts…