Variable | Group | Fatiguing task | Mean ± SD | t-values (df)/z-values | Significance level |
---|---|---|---|---|---|
(1.) Baseline value in % | HP | HIMA | 73.78 ± 6.63 | t(8) = − 1.53 | p = 0.164 |
 |  | PIMA | 77.44 ± 4.06 |  |  |
 | HT | HIMA | 74.61 ± 6.98 | z = − 0.30, n = 9 | pexact = 0.820 |
 |  | Twitch | 74.00 ± 5.01 |  |  |
 | Both | HIMA | 74.19 ± 6.62 | z = − 1.15, n = 18 | pexact = 0.265 |
 |  | PIMA & Twitch | 75.72 ± 4.77 |  |  |
(2.) max. SvO2 decrease in pp (% to baseline) | HP | HIMA | 16.02 ± 7.75 (21.71 ± 10.50) | t(8) = − 1.73 | p = 0.121 |
 |  | PIMA | 20.61 ± 10.16 (26.61 ± 13.12) |  |  |
 | HT | HIMA | 30.33 ± 14.60 (40.65 ± 19.57) | t(8) = − 0.12 | p = 0.909 |
 |  | Twitch | 30.65 ± 16.76 (41.42 ± 22.65) |  |  |
 | Both | HIMA | 23.17 ± 13.52 (31.23 ± 18.22) | z = − 0.81, n = 18 | pexact = 0.442 |
 |  | PIMA & Twitch | 25.63 ± 14.40 (33.85 ± 19.02) |  |  |
(3.) SvO2 slope in pp s−1 | HP | HIMA | − 2.21 ± 1.51 | t(8) = 0.55 | p = 0.598 |
 |  | PIMA | − 2.41 ± 1.59 |  |  |
 | HT | HIMA | − 3.63 ± 1.56 | t(8) = − 0.94 | p = 0.373 |
 |  | Twitch | − 3.11 ± 1.31 |  |  |
 | Both | HIMA | − 2.79 ± 1.60 | t(17) = − 0.11 | p = 0.913 |
 |  | PIMA & Twitch | − 2.76 ± 1.46 |  |  |
(4.) SvO2 at rHb min. in % | HP | HIMA | 61.96 ± 3.87 | t(8) = − 0.90 | p = 0.392 |
 |  | PIMA | 62.42 ± 4.56 |  |  |
 | HT | HIMA | 58.66 ± 2.61 | t(8) = − 0.31 | p = 0.768 |
 |  | Twitch | 58.81 ± 3.04 |  |  |
 | Both | HIMA | 60.31 ± 3.63 | t(17) = − 0.89 | p = 0.388 |
 |  | PIMA & Twitch | 60.62 ± 4.20 |  |  |
(5.) TSS in s | HP | HIMA | 7.72 ± 3.01 | t(8) = − 0.5 | p = 0.630 |
 |  | PIMA | 8.45 ± 2.72 |  |  |
 | HT | HIMA | 7.61 ± 2.61 | t(8) = − 1.01 | p = 0.344 |
 |  | Twitch | 8.78 ± 2.92 |  |  |
 | Both | HIMA | 7.67 ± 2.74 | t(17) = − 1.05 | p = 0.309 |
 |  | PIMA & Twitch | 8.62 ± 2.74 |  |  |
(6.) TTF in s | HP | HIMA | 44.80 ± 18.06 | t(8) = − 0.90 | p = 0.394 |
 |  | PIMA | 50.33 ± 9.46 |  |  |
 | HT | HIMA | 42.63 ± 7.64 | t(8) = − 2.40 | p = 0.043 |
 |  | Twitch | 52.78 ± 11.61 |  |  |
 | Both | HIMA | 43.72 ± 13.50 | t(17) = − 2.15 | p = 0.047 |
 |  | PIMA & Twitch | 51.55 ± 10.35 |  |  |