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. 2021 Feb 16;12:649870. doi: 10.3389/fphys.2021.649870

Table 1.

Mean ± SD of external and internal training load measures during small-sided games.

Session 1 Session 2 Session 3
Measure Set 1 Set 2 Set 1 Set 2 Set 1 Set 2
TD (m) 355.6 ± 50.0 361.1 ± 44.2 352.7 ± 45.2 366.1 ± 44.4 375.3 ± 49.1 384.7 ± 63.2
HIR (m) 53.3 ± 25.9 54.1 ± 24.9 52.9 ± 24.5 54.9 ± 23.6 55.2 ± 27.0 56.9 ± 24.1
MW (n) 14.3 ± 4.9 15.0 ± 4.3 15.2 ± 4.6 15.1 ± 3.5 17.4 ± 6.8 17.1 ± 6.2
TRIMP (AU) 10.9 ± 1.0 10.8 ± 1.0 10.9 ± 1.0 10.9 ± 1.0 10.8 ± 1.0 11.2 ± 0.9
Red zone (min) 2.1 ± 0.5 2.0 ± 0.5 2.0 ± 0.5 2.0 ± 0.4 2.0 ± 0.4 2.1 ± 0.4
% of HRmax 80.8 ± 4.8 81.3 ± 4.7 81.1 ± 4.9 81.5 ± 4.6 81.6 ± 4.8 81.8 ± 4.9

TD: total distance; HIR: high-intensity running (>14.4 km.h−1); MW: mechanical work (the number of accelerations and decelerations >2.2 m.s2); TRIMP: Edwards’ Training Impulse; AU: arbitrary units; Red zone: time spent in red zone (>80% of maximal heart rate); HRmax: maximal heart rate; SD: standard deviation.