Book swim an efficient butterfly Amphora

This manual is a real didactic tool, which summarizes everything you need to know to progress technically in butterfly.You will improve thanks to a progressive course in 9 steps and to numerous exercises.Throughout this book, Matthieu Chadeville proposes solutions adapted to you, whatever your level and age.Illustrated with numerous pedagogical photos that allow you to quickly assimilate the movements, the clear explanations will allow you to optimize your gesture.very pragmatic, this guide accompanies you step by step by providing concrete answers to all the questions that arise from a regular practice of butterfly.Beginner or confirmed swimmer, don't let technical errors slow you down anymore!