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Purpose:

The aim of this study was to verify the influence of aerobic fitness (VO2max) on internal training loads, as measured by the session rating of perceived exertion (session-RPE) method.

Methods:

Nine male professional outfeld futsal players were monitored for 4 wk of the in-season period with regards to the weekly accumulated session-RPE, while participating in the same training sessions. Single-session-RPE was obtained from the product of a 10-point RPE scale and the duration of exercise. Maximal oxygen consumption was determined during an incremental treadmill test.

Results:

The average training load throughout the 4 wk period varied between 2,876 and 5,035 arbitrary units. Technical-tactical sessions were the predominant source of loading. There was a significant correlation between VO2max (59.6 ± 2.5 mL·kg–1 ·min–1) and overall training load accumulated over the total period (r = –0.75).

Conclusions:

The VO2max plays a key role in determining the magnitude of an individual’s perceived exertion during futsal training sessions.

Vinícius Flávio Milanez, Rafael Evangelista Pedro, and Fábio Yuzo Nakamura are with the Depart-mento de Educação Física, Universidade Estadual de Londrina, Brasil. Alexandre Moreira is with the Escola de Educação Física e Esporte, Universidade de São Paulo, Brasil. Daniel Alexandre Boullosa is with the Pós-Graduação Stricto Sensu em Educação Física, Universidade Católica de Brasília, Brasil. Fuad Salle-Neto is with the Centro de Ciências da Saúde, Universidade Estadual de Londrina, Brasil.