Table 2 Physiological responses to 80-min of Exercise at 75% VO 2 max
From: Natural versus commercial carbohydrate supplementation and endurance running performance
Variable | Raisins | Chews | Water | |||
|---|---|---|---|---|---|---|
Heart Rate, beats min-1 | ||||||
20 min | 155.3 ± 14.4 | 158.0 ± 12.5 | 153.9 ± 14.9 | |||
40 min | 159.0 ± 12.0 | 160.5 ± 12.6 | 156.3 ± 12.6 | |||
60 min | 159.7 ± 12.8 | 160.6 ± 12.7 | 158.6 ± 11.8 | † | ||
80 min | 161.2 ± 12.3 | † | 161.3 ± 12.1 | 160.7 ± 9.0 | † | |
Exercise mean | 158.8 ± 12.9 | 160.1 ± 12.5 | 157.4 ± 12.1 | |||
RPE (0–10 scale) | ||||||
20 min | 4.1 ± 1.8 | 4.0 ± 1.1 | 4.5 ± 1.5 | |||
40 min | 4.5 ± 1.5 | 4.8 ± 1.5 | 5.0 ± 1.3 | |||
60 min | 5.0 ± 1.4 | † | 5.1 ± 1.6 | † | 5.4 ± 1.3 | † |
80 min | 5.5 ± 1.4 | †‡ | 5.7 ± 1.7 | †‡ | 5.9 ± 1.5 | †‡ |
Exercise mean | 4.8 ± 1.5 | 4.9 ± 1.5 | 5.2 ± 1.4 | |||
% energy from CHO | ||||||
20 min | 72.5 ± 9.1 | 78.2 ± 4.9 | *# | 71.3 ± 9.1 | ||
40 min | 68.1 ± 5.5 | † | 73.7 ± 5.4 | †*# | 65.6 ± 9.6 | † |
60 min | 69.4 ± 6.2 | * | 72.9 ± 7.2 | †*# | 62.7 ± 8.2 | † |
80 min | 70.1 ± 7.0 | * | 72.6 ± 8.0 | †* | 60.7 ± 7.8 | †‡ |
Exercise mean | 70.0 ± 7.0 | * | 74.4 ± 6.4 | *# | 65.1 ± 8.7 | |
% energy from Fat | ||||||
20 min | 27.5 ± 9.1 | 21.8 ± 4.9 | *# | 28.7 ± 9.1 | ||
40 min | 31.9 ± 5.5 | 26.3 ± 5.4 | *# | 34.4 ± 9.6 | ||
60 min | 30.6 ± 6.2 | * | 27.1 ± 7.2 | *# | 37.3 ± 8.2 | † |
80 min | 29.9 ± 7.0 | * | 27.4 ± 8.0 | *# | 39.3 ± 7.8 | † |
Exercise mean | 30.0 ± 7.0 | * | 25.6 ± 6.4 | *# | 34.9 ± 8.7 | |