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- Title
EXTERNAL AND INTERNAL LOAD OF COSTA RICAN HANDBALL REFEREES ACCORDING TO SEX AND GAME PERIODS.
- Authors
Gutiérrez-Vargas, Randall; Alexis Ugalde-Ramírez, José; Rojas-Valverde, Daniel; Müller-Thyssen, María; Pino-Ortega, José
- Abstract
The purpose of this study was to analyze the external and internal load of Costa Rican handball referees according to sex and game periods. Nine referees (6 men and 3 women) were monitored during U19 handball matches, using an ultra-wide band local positioning system (UWB) and WIMUProTM inertial units (IMU). The results showed a total distance of 4566.54±494.02 m (46.95% at 0-6 km/h, 32.97% at 6-12 km/h, 18.11% at 12-18 km/h and 1.96% >18 km/h). 1298.34±151.42 m/s² accelerations and 1297.73±152.09 m/s² decelerations were performed. Maximal speed was 19.63±1.85 km/h and average speed was 4.80±0.34 km/h. Player LoadRT was 50.53±9.39 UA. Maximal and average heart rate was 170.59±18.20 bpm 143.06±16.94 bpm respectively. 60% of the efforts were <80% of maximum heart rate. Total energy expenditure was 372.34±67.80 kcal. No significant differences were found in physiological variables between sexes, although men covered greater distance at 0-6 km/h. In the second periods the total distance (m/min), distance at 6-12 km/h, 12-18 km/h (m/min) and >18 km/h, average speed, impacts at 3-5g and >5g, Player LoadRT, and energy expenditure decreased. In conclusion, sex does not seem to affect the external or internal load, while the game period influenced on the external load.
- Publication
E-balonmano.com: Journal of Sports Science / Revista de Ciencias del Deporte, 2021, Vol 17, Issue 2, p153
- ISSN
1885-7019
- Publication type
Article
- DOI
10.17398/1885-7019.17.153