Table 2.
Variables | Race | Pre-exercise | Post-30 | Post-60 |
---|---|---|---|---|
brachial systolic blood pressure (mmHg) #‡ | Ch | 110 ± 11 | 108 ± 11 | 106 ± 9 |
Ca | 121 ± 9 * | 117 ± 12 | 115 ± 11 | |
brachial diastolic blood pressure (mmHg) ‡ | Ch | 60 ± 5 | 61 ± 5 | 62 ± 6 |
Ca | 66 ± 6 * | 65 ± 5 | 64 ± 5 | |
brachial mean arterial pressure (mmHg) #‡ | Ch | 76 ± 6 | 77 ± 6 | 77 ± 5 |
Ca | 82 ± 6 * | 83 ± 6 | 81 ± 6 | |
carotid systolic blood pressure (mmHg) ‡ | Ch | 101 ± 14 | 103 ± 15 | 101 ± 14 |
Ca | 112 ± 12 * | 114 ± 16 | 108 ± 16 | |
carotid diastolic blood pressure (mmHg) | Ch | 60 ± 6 | 61 ± 5 | 60 ± 6 |
Ca | 66 ± 6 * | 65 ± 6 | 64 ± 5 | |
carotid mean arterial pressure (mmHg) | Ch | 77 ± 6 | 77 ± 6 | 76 ± 7 |
Ca | 84 ± 5 * | 84 ± 7 | 82 ± 7 | |
aortic systolic blood pressure (mmHg) | Ch | 92 ± 7 | 92 ± 77 | 90 ± 11 |
Ca | 100 ± 6 * | 98 ± 8 | 95 ± 7 | |
aortic diastolic blood pressure (mmHg) | Ch | 62 ± 6 | 64 ± 6 | 62 ± 7 |
Ca | 67 ± 6 * | 67 ± 6 | 66 ± 5 | |
aortic mean arterial pressure (mmHg) | Ch | 76 ± 6 | 77 ± 6 | 74 ± 7 |
Ca | 82 ± 6 * | 81 ± 7 | 79 ± 6 | |
heart rate (b.min−1) #‡ | Ch | 68 ± 11 | 87 ± 10 | 77 ± 13 |
Ca | 64 ± 14 | 78 ± 14 | 70 ± 12 | |
stroke volume (ml) | Ch | 73 ± 23 | 68 ± 18 | 68 ± 20 |
Ca | 79 ± 20 | 71 ± 18 | 74 ± 17 | |
cardiac output (l·min−1) #‡ | Ch | 4.5 ± 1.3 | 5.5 ± 1.6 | 5.0 ± 1.4 |
Ca | 5.0 ± 1.3 | 5.3 ± 1.5 | 5.1 ± 1.3 | |
total peripheral resistance (mmHg.min.l−1) * | Ch | 0.056 ± 0.01 | 0.052 ± 0.009 | 0.055 ± 0.011 |
Ca | 0.062 ± 0.028 | 0.058 ± 0.018 | 0.06 ± 0.021 | |
central pulse wave velocity (m.s−1) | Ch | 5.6 ± 1.1 | 5.7 ± 1.2 | 5.7 ± 1.1 |
Ca | 5.6 ± 1 | 5.4 ± 0.6 | 5.4 ± 0.7 | |
brachial pulse wave velocity (m.s−1) | Ch | 7.0 ± 1.0 | 6.9 ± 1.1 | 6.8 ± 1.2 |
Ca | 7.1 ± 1 | 7.1 ± 1 | 7.2 ± 1 | |
leg pulse wave velocity (m.s−1) # | Ch | 8.2 ± 1.2 | 7.8 ± 1.2 | 8.1 ± 1.2 |
Ca | 8.9 ± 1.3 * | 8.4 ± 1.5 | 8.4 ± 0.9 | |
end systolic volume (ml) ‡ | Ch | 35 ± 12 | 39 ± 14 | 36 ± 11 |
Ca | 42 ± 15 * | 40 ± 14 | 42 ± 13 | |
end diastolic volume (ml) ‡ | Ch | 108 ± 32 | 107 ± 29 | 104 ± 29 |
Ca | 121 ± 31 | 110 ± 27 | 116 ± 27 | |
carotid maximum diameter (mm) | Ch | 7.3 ± 0.5 | 7.2 ± 0.6 | 7.5 ± 0.5 |
Ca | 7.3 ± 0.6 | 7.0 ± 0.6 | 7.4 ± 0.6 | |
carotid minimum diameter (mm) | Ch | 6.7 ± 0.5 | 6.7 ± 0.6 | 7.0 ± 0.5 |
Ca | 6.6 ± 0.6 | 6.5 ± 0.6 | 6.8 ± 0.6 | |
ejection fraction (%) | Ch | 67 ± 5 | 64 ± 6 | 65 ± 6 |
Ca | 66 ± 6 | 65 ± 6 | 64 ± 6 | |
fractional shortening (%) | Ch | 37 ± 4 | 35 ± 4 | 36 ± 4 |
Ca | 36 ± 5 | 36 ± 4 | 35 ± 5 | |
carotid first systolic peak (mmHg) # | Ch | 34 ± 11 | 36 ± 11 | 32 ± 13 |
Ca | 38 ± 13 | 39 ± 11 | 35 ± 12 | |
aortic first systolic peak (mmHg) | Ch | 28 ± 6 | 27 ± 6 | 26 ± 6 |
Ca | 32 ± 6 * | 31 ± 5 | 29 ± 5 | |
carotid end systolic pressure (mmHg) # | Ch | 84 ± 15 | 77 ± 8 | 78 ± 7 |
Ca | 91 ± 7 * | 85 ± 8 | 85 ± 7 | |
aortic end systolic pressure (mmHg) | Ch | 80 ± 8 | 77 ± 7 | 75 ± 8 |
Ca | 88 ± 7 * | 84 ± 9 | 82 ± 7 |
P < 0.05 vs. Ch at rest.
P < 0.05 time effect.
P < 0.05 race-by-time interaction