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The variables recorded were the distance covered per minute in competition (m x [min.sup.-1]), distance covered at high speed (HSR; >5.5 m x [s.sup.-1], m x [min.sup.-1]), distance covered at sprint (SPR; >7.0 m x [s.sup.-1], m x [min.sup.-1]), the number of high-intensity accelerations (ACC; >3 m x [s.sup.2], n x [min.sup.-1]), the number of high-intensity decelerations (DEC; <-3 m x [s.sup.2], n x [min.sup.-1]), the average metabolic power (AMP: W x [kg.sup.-1]) and the high metabolic load distance (HMLD; >25.5 W x [kg.sup.-1], n x [min.sup.-1]).
The HMLD sums up high speed running distance (>4.0 m x [s.sup.-1]) and also includes the distance covered when the player is involved in high acceleration/deceleration activities (set by the manufacturer at >2 m x [s.sup.2] by default).
Table 2 presents the mean [+ or -] SD values using HMLD as the criterion variable.
CD and FW reported lower locomotive demands in comparison to WMF, FB and MF, and HMLD values in WMF and FB were higher than other positions during all epochs (1', 3', 5' and 10').
(2017b) when we applied the HMLD as the criterion variable, with FB reaching values close to 50 m x [min.sup.-1] when the applied time frame was 1 minute.
AMP and HMLD variables take into account high-intensity actions performed at high and low displacement speeds.
In our study, the maximum values obtained when AMP was used as the criterion variable, were similar to when HMLD was used as the criterion variable.
1 min), there were no significant differences among positions for HSR and SPR when the criterion variables were distance and HMLD. However, when the duration was 10 minutes, in all cases the differences among positions were significant.
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