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Table
2.
Intensities (VO2mean, % VO2max, VE mean,
HR mean) and coefficients of determinations (rČsession)
from the relations VO2 = f (VE) and VO2 = f (HR). Data are means
(±SD).
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Part 1: Physical activities with oxygen consumption steady state
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Intensities
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rČsession
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Subjects (n = 12)
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VO2mean
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% VO2max
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VE mean
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HRmean
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VO2 = f (VE)
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VO2 = f (HR)
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Group 1
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20 % VO2max
< I < 55 % VO2max
20 walks : 3 min
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1.45 (.54)
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33.4 (10.8)
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30.3 (10.2)
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96 (18)
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.87 (**)
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.61
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Group 2
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17
% VO2max
< I < 62 % VO2max
26 walks : 6 min
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1.42 (.56)
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33.5 (13.1)
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30.7 (12.3)
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92 (19)
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.80 (**)
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.50
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Part 2: Physical activities without oxygen
consumption steady state
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Intensities
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rČsession
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Subjects (n = 12)
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VO2mean
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% VO2max
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VE mean
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HRmean
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VO2 = f (VE)
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VO2 = f (HR)
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Group 3
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13 % VO2max
< I < 40 % VO2max
22 walks : 1 min
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1.05 (.32)
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24.2 (7.6)
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23.6 (6.5)
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89 (12)
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.82 (**)
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.63
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Group 4
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40 % VO2max
< I < 60 % VO2max
12 intermittent work
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2.02 (.20)
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47.1 (4.5)
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46.0 (4.7)
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114 (13)
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.82 (*)
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.73
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VO2mean:
Mean oxygen uptake (l·min-1), SD: Standard deviation, % VO2max:
Percentage of maximum oxygen uptake, VE mean : Mean ventilation
(l·min-1), HRmean
: Heart rate (beats·min-1), VO2:
oxygen uptake (l.min-1), VE:
Ventilation (l.min-1), HR : heart rate (beats.min-1),
I : intensity. * and ** denote p < 0.05 and 0.01 respectively.
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