No. 2 (2020): July-December

View No. 2 (2020): July-December

DOI: https://doi.org/10.17561/jump.n2

Published: 2020-07-14

Full Issue

PDF (Spanish)

Editorial

Vale más una imagen que mil palabras

Gema Torres Luque

5–6
- PDF (Spanish)
- XML (Spanish)

Research Papers

Relationship Between Perfectionism and Mental Health in Young Soccer Players: Differences Between Sports Categories

Pedro Pérez-Hernández, Belén Olmedilla-Caballero, Verónica Gómez-Espejo, Aurelio Olmedilla

7-15
Optimum Flexibility Profile in Young Soccer Players During their Sensitive Period of the Physical Development. ROM-SPORT Battery

Antonio Cejudo

16–25
Performance Indicators in Tennis Grand Slams

Adrián Escudero Tena, Abel Castrejon, Sergio J. Ibáñez

26–36
Characteristics of Back Care Interventions and Studies with Schoolchildren

Alba Aparicio-Sarmiento, María Teresa Martínez-Romero, Ana Rivas, Olga Rodríguez-Ferrán

37–47
Analysis of Technical-Tactical Variables Related to the Last Stroke of the Point in High Performance Tennis

Ángel Iván Fernández-García, José María Juan-Campos, José María Giménez-Egido

48–56
Teachers’ perception on teaching games in Secondary Education

Manuel Jesús López-Parralo, Manuel Tomás Abad-Robles, Estefanía Castillo-Viera, Francisco Javier Giménez Fuentes-Guerra

57–67

Review articles

The Influence of Ball Possession on Physical Performance in Professional Football. A Systematic Review

Carlos Lago Peñas, Pablo Sanromán Álvarez

68–80