General self-efficacy, pre-competitive anxiety and flow feeling in handball team players from Costa Rica’s nactional team

by Gutiérrez Vargas, Juan Carlos, Gutiérrez Vargas, Randall, Ureña Bonilla, Pedro
Published 2013

Influence of Altitude and Environmental Temperature on Muscle Functional and Mechanical Activation After 30' Time Trial Run

by Rojas-Valverde, Daniel, Ugalde Ramírez, Jose Alexis, Sánchez-Ureña, Braulio, Gutiérrez-Vargas, Randall
Published 2019

KINEMATIC DEMANDS OF TWO SMALL-SIDED GAMES OF COSTA RICAN COLLEGE SOCCER PLAYERS

by Rojas-Valverde, Daniel Francisco, Morera-Castro, María, Montoya-Rodríguez, Jaqueline, Gutiérrez-Vargas, Randall
Published 2017

DEMANDAS CINEMÁTICAS EN DOS TIPOS DE ESPACIOS REDUCIDOS EN JUGADORES UNIVERSITARIOS DE FÚTBOL DE COSTA RICA

by Rojas-Valverde, Daniel Francisco, Morera-Castro, María, Montoya-Rodríguez, Jaqueline, Gutiérrez-Vargas, Randall
Published 2017

Wearable Sports Technology Development in Costa Rica: Inertial Measurement Unit Integration for Real-Time External Load Monitoring

by Chavarría-Fernández, Victor, Rojas-Valverde, Daniel, Gutiérrez-Vargas, Randall, Meza, Carlos, Méndez-Solano, Miguel
Published 2023

Variación de la velocidad y la frecuencia cardiaca durante un maratón en un ambiente caluroso

by Rojas-Valverde, Daniel, Sánchez-Ureña, Braulio, Ugalde-Ramírez, Alexis, Gómez-Carmona, Carlos D., Pino-Ortega, José, Gutiérrez-Vargas, Randall
Published 2020

Speed and heart rate variation during marathon running in a hot environment

by Rojas-Valverde, Daniel, Sánchez-Ureña, Braulio, Ugalde-Ramírez, Alexis, Gómez-Carmona, Carlos D, Pino-Ortega, José, Gutiérrez-Vargas, Randall
Published 2020

Physical Demands of Costa Rican Professional Soccer Players: Influence of the Playing Position and the Competitive Level

by Morera-Barrantes, Roy, Calderón-Chaverri, Carlos, Gutiérrez-Vargas, Randall, Rojas-Valverde, Daniel, Gutiérrez-Vargas, Juan Carlos, Ugalde Ramìrez, Jose Alexis
Published 2021

The Professional Level and its Impact on Muscle Mechanical and Functional Performance in Costa Rican Soccer Players

by Rojas-Valverde, Daniel, Martínez-Guardado, Ismael, Esquivel-Rodríguez, María J., Sánchez-Ureña, Braulio, Gutiérrez-Vargas, Juan Carlos, Gutiérrez-Vargas, Randall
Published 2023

Effects of Artificial Turf and Natural Grass on Physical and Technical Performance of Professional Soccer Players

by Ávalos Guillén, Juan Carlos, Gutiérrez Vargas, Randall, Araya Varas, Gerardo Alonso, Sánchez Ureña, Braulio, Gutiérrez Vargas, Juan Carlos, Rojas Valverde, Daniel
Published 2017

Comportamiento neuromuscular posterior a la competencia en jugadores profesionales de fútbol de Costa Rica: un seguimiento tensiomiográfico

by Rojas-Valverde, Daniel Francisco, Gutiérrez-Vargas, Randall, Sánchez-Ureña, Braulio Alonso, Gutiérrez-Vargas, Juan Carlos, Cruz-Fuentes, Immanuel, Salas-Cabrera, Jorge
Published 2015

Indicadores de carga externa e interna según el sexo durante un torneo congestionado juvenil de balonmano costarricense

by Rojas-Valverde, Daniel, Pino-Ortega, Jose, Gómez-Carmona, Carlos, Ugalde-Ramírez, Alexis, Trejos-Montoya, Jose, Sánchez-Ureña, Braulio, Gutiérrez-Vargas, Juan Carlos, Gutiérrez-Vargas, Randall
Published 2024

[Original en inglés] Perfil antropométrico, aeróbico y de potencia muscular de jugadores juveniles de baloncesto costarricenses

by Gutiérrez-Vargas, Randall, Ugalde-Ramírez, José Alexis, Pino-Ortega, José, Trejos-Montoya, José Andrés, Blanco-Romero, Luis, Sánchez-Ureña, Braulio, Gutiérrez-Vargas, Juan Carlos, Rojas-Valverde, Daniel
Published 2022

[Traducción al español] Perfil antropométrico, aeróbico y de potencia muscular de jugadores juveniles de baloncesto costarricenses

by Gutiérrez-Vargas, Randall, Ugalde-Ramírez, José Alexis, Pino-Ortega, José, Trejos-Moya, José Andrés, Blanco-Romero, Luis, Sánchez-Ureña, Braulio, Gutiérrez-Vargas, Juan Carlos, Rojas-Valverde, Daniel
Published 2023

ACE and ACTN3 polymorphisms analysis on agility test in national players in team sports of Costa Rica. Pilot study

by Carvajal-Espinoza, Rafael, Trejos-Montoya, José, Herrera-González, Emmanuel, Alemán-Ramírez, Carolina, Márquez-Barquero, Magally, Cervantes-Sanabria, Jorge, Loria-Calderón, Tyrone, Miranda-Benavides, Guillermo, Gutiérrez-Vargas, Randall
Published 2023