Table 2. Physiological Variables in Different Time-of-Day a,b.
Parameters | AM (09:00-10:00) | NN (12:00-13:00) | PM (16:00-17:00) | P Value |
---|---|---|---|---|
VO 2max, ml/kg/min | 42.82 ± 6.7 | 43.85 ± 6.6 | 42.16 ± 6.9 | 0. 04 c |
MHR%post-ex, % | 97.04 ± 5.7 | 95.21 ± 4.7 | 94.21 ± 6.0 | 0.03 |
BTemppost-ex, ℃ | 35.80 ± 0.4 | 35.57 ± 1.0 | 35.97 ± 0.4 | 0.65 |
LApost-ex, mmol -1 | 12.27 ± 2.9 | 13.33 ± 2.9 | 12.28 ± 4.2 | 0.19 |
a Abbreviations: AM, morning; BTemppost-ex, post-exercise body temperature; LApost-ex, post exercise blood lactic acid; MHR%post-ex, percentage of post-exercise maximal heart rate; NN, noon; PM, afternoon; VO2max, maximal oxygen uptake.
b Data are presented as Mean ± SD.
c NN higher than PM.