by Christopher M. Norris · EDITORIAL SIMON BOLIVAR SAS · tapa blanda · ISBN 9788479022075
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«Entrenamiento abdominal» is Christopher M. Norris's guide to abdominal exercises, in paperback (128 pages, in Spanish).
It explains how to safely develop the physical condition of the trunk muscles, an essential aspect in numerous sports. Its core is the E.F.S.M.A. program, a functional overload training method that proposes a novel way to work the midsection of the body.
Subtitle: «programa de entrenamiento funcional por sobrecarga de los músculos abdominales (E.F.S.M.A.)».
Suitable for athletes of all levels, people with low physical fitness or back pain, women after pregnancy, and older people.
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