Tactical exercises to improve the effectiveness of counterattack in school boxers in Holguin province

by Adisney Cruz-Ramírez, José Luís González-Ramírez, Osvanys Naranjo-Acosta
Published 2018-07-01

Isometric exercises for the strength in the grip of school judokas

by Norberto Ávila-Pérez, José Luís González-Ramírez, Luis Alexander Zaldívar-Castellanos
Published 2018-07-01