Table 1.
Data related to MPV at 1 m·s−1 and blood lactate concentrations before and after the bench press exercise protocol with a load of 70% MPV obtained in the 1RM test for each individual.
| Variable | Level of Strength | Pre-Exercise (M ± SD, 95% CI, CV) |
0 min Post Exercise (M ± SD, 95% CI, CV) |
5 min Post Exercise (M ± SD, 95% CI, CV) |
10 min Post Exercise (M ± SD, 95% CI, CV) |
15 min Post Exercise (M ± SD, 95% CI, CV) |
p Time ηp2 SP |
p Group ηp2 SP |
p Group × Time ηp2 SP |
|---|---|---|---|---|---|---|---|---|---|
| MPV at 1 m·s−1
(m·s−1) |
High RSR (n = 11) |
0.97 ± 0.07 † 0.92–1.01 7.2% |
0.68 ± 0.13 ‡ 0.59–0.76 19.1% |
0.87 ± 0.13 0.80–0.94 14.9% |
0.92± 0.08 0.85–0.98 8.7% |
0.91 ± 0.10 0.84–0.98 11% |
<0.001 * | 0.791 | 0.503 |
| Medium RSR (n = 14) |
1.00 ± 0.08 * 0.96–1.03 8% |
0.67 ± 0.15 ‡ 0.60– 0.74 22.4% |
0.85 ± 0.13 £ 0.79–0.91 15.3% |
0.92 ± 0.12 0.86–0.97 13% |
0.91 ± 0.13 0.84–0.97 14.3% |
0.793 | 0.011 | 0.042 | |
| Low RSR (n = 19) |
1.00 ± 0.07 * 0.96–1.03 7% |
0.65 ± 0.12 ‡ 0.59–0.71 18.5% |
0.83 ± 0.11 # 0.77–0.88 13.3% |
0.87 ± 0.11 0.82–0.92 12.6% |
0.89 ± 0.12 0.84–0.95 13.5% |
1.000 | 0.085 | 0.362 | |
| Blood lactate (mmol·L−1) |
High RSR (n = 11) |
1.3 ± 0.3 * 1.1–1.6 20.6% |
8.0 ± 2.5 & ¥ 6.9–9.1 30.7% |
7.2 ± 1.7 $ 6.3–8.0 23.7% |
5.9 ± 1.4 ¶ ¥ 5.2–6.6 24% |
4.5 ± 1.0 3.8–5.2 21.4% |
<0.001 * | 0.030 * | 0.008 * |
| Medium RSR (n = 14) |
1.5 ± 0.6 * 1.2–1.7 39% |
7.5 ± 1.7 ‡ 6.6–8.5 22.3% |
6.5 ± 1.2 $ 5.8–7.2 17.8% |
5.7 ± 1.3 ¶ 5.01–6.3 22.7% |
4.5 ± 1.1 3.9–5.1 24.2% |
0.859 | 0.158 | 0.135 | |
| Low RSR (n = 19) |
1.5 ± 0.4 * 1.3–1.7 25.5% |
6.1 ± 1.5 & 5.2–6.9 24.1% |
5.9 ± 1.3 $ 5.3–6.5 22.4% |
4.7 ± 1.0 4.2–5.3 20.8% |
4.2 ± 1.2 3.7–4.7 28.1% |
1.000 | 0.664 | 0.887 |
MPV = mean propulsive velocity; RSR = relative strength ratio, defined as 1RM value divided by body mass; M = mean ± SD = standard deviation; CI = confidence intervals; CV = coefficient of variation. ηp2 = partial eta-squared; SP = statistical power. * = significant difference between pre-exercise and all post-exercise (p < 0.05). † = significant difference of pre-exercise with minute 0 and 5 post-exercise (p < 0.05). ‡ = significant difference of minute 0 post-exercise with minute 5, 10 and 15 post-exercise (p < 0.05). £ = significant difference between minute 5 and 10 post-exercise (p < 0.05). # = significant difference between minute 5 and 15 post-exercise (p < 0.05). & = significant difference of minute 0 post-exercise with minute 10 and 15 post-exercise (p < 0.05). $ = significant difference of minute 5 post-exercise with minute 10 and 15 post-exercise (p < 0.05). ¶ = significant difference between minute 10- and 15-min post-exercise (p < 0.05). ¥ = significant difference between High RSR and Low RSR (p < 0.05).