Table 1: Cardiorespiratory data at rest and maximal exercise in young and older groups (n = 36).
Variable | Young group (n =16) | Older group (n = 20) | ||||||
rest | Ex40% | Ex75% | Ex100% | rest | Ex40% | Ex75% | Ex100% | |
(mL.kg-1.min-1) | 4 ± 1 | 24 ± 6+ Ϯ | 38 ± 4 Ϯ | 53 ± 6 Ϯ | 4 ± 0 | 20 ± 4 Ϯ | 29 ± 6* Ϯ | 36 ± 6* Ϯ |
(mL.kg-1.min-1) | 5 ± 1 | 32 ± 4 Ϯ | 48 ± 6 Ϯ | 48 ± 6 Ϯ | 5 ± 0 | 27 ± 5 Ϯ | 35 ± 6* Ϯ | 42 ± 6* |
(mL.kg-1.min-1) | 151 ± 26 | 728 ± 86 Ϯ | 1408 ± 276 Ϯ | 1705 ± 370 Ϯ | 138 ± 16 | 691 ± 45 Ϯ | 1001 ± 85* Ϯ | 1234 ± 190* |
HR (bpm) | 73 ± 7 | 128 ± 6 Ϯ | 166 ± 7 Ϯ | 186 ± 9 Ϯ | 80 ± 7 | 80 ± 7 | 151 ± 5* Ϯ | 156 ± 8* Ϯ |
Work rate (watts) | 0 | 88 ± 10 Ϯ | 180 ± 12 Ϯ | 244 ± 31 Ϯ | 0 | 59 ± 7* Ϯ | 103 ± 10* Ϯ | 146 ± 18* Ϯ |
*: Significantly different than young group (P < 0.05); Ϯ: Significantly different than previous work rate (P < 0.05)