Table 3.
Resting peak twitch torques and evoked potentials after 3 and 6 months of training for the intervention (INT) and the control group (CON)
| Parameter | 3 months | 6 months | ||||||
|---|---|---|---|---|---|---|---|---|
| INT (n = 11) | CON (n = 9) | Diff. (95% CI), Δ INT − CON | P | INT (n = 9) | CON (n = 9) | Diff. (95% CI), Δ INT − CON | P | |
| Peak twitch torque (N m) | ||||||||
| Supramaximal single | 14.3 ± 1.0 | 13.2 ± 1.0 | 1.1 (0.2–2.1) | 0.03* | 14.9 ± 1.0 | 13.6 ± 1.0 | 1.3 (0.4–2.4) | 0.01* |
| Supramaximal doublet | 25.1 ± 2.2 | 23.0 ± 2.2 | 2.1 (−0.1 to 4.2) | 0.06† | 25.5 ± 1.8 | 23.5 ± 1.8 | 2.0 (0.2–3.8) | 0.04* |
| H-reflex intensity | 6.4 ± 1.65 | 7.8 ± 1.65 | −1.4 (−3.5 to 0.8) | 0.20 | 7.0 ± 2.1 | 8.9 ± 2.1 | −1.9 (−4.1 to 0.3) | 0.09† |
| Evoked potentials | ||||||||
| H max SOL (mV) | 1.29 ± 0.46 | 1.31 ± 0.46 | −0.02 (−0.64 to 0.60) | 0.94 | 1.47 ± 0.79 | 1.55 ± 0.79 | −0.08 (−0.94 to 0.78) | 0.85 |
| M max SOL (mV) | 3.89 ± 0.89 | 4.06 ± 0.89 | −0.17 (−1.04 to 0.70) | 0.68 | 3.74 ± 1.01 | 3.55 ± 1.01 | 0−19 (−0.84 to 1.23) | 0.70 |
| H max/M max SOL | 0.34 ± 0.12 | 0.36 ± 0.12 | −0.02 (−0.18 to 0.14) | 0.79 | 0.36 ± 0.22 | 0.44 ± 0.22 | −0.08 (−0.31 to 0.15) | 0.46 |
| M Hmax/M max SOL | 0.19 ± 0.14 | 0.14 ± 0.14 | 0.05 (−0.14 to 0.24) | 0.58 | 0.21 ± 0.14 | 0.22 ± 0.14 | −0.01 (−0.16 to 0.15) | 0.91 |
| M sup SOL (mV) | 4.89 ± 1.15 | 5.74 ± 1.15 | −0.85 (−1.95 to 0.25) | 0.12 | 4.89 ± 1.59 | 5.66 ± 1.59 | −0.77 (−2.38 to 0.84) | 0.32 |
| V wave SOL (mV) | 0.65 ± 0.26 | 0.51 ± 0.26 | 0.14 (−0.11 to 0.39) | 0.24 | 0.73 ± 0.20 | 0.57 ± 0.20 | 0.16 (−0.04 to 0.36) | 0.11 |
| M max MG (mV) | 3.38 ± 0.91 | 3.46 ± 0.91 | −0.08 (−0.97 to 0.80) | 0.85 | 3.52 ± 1.07 | 3.48 ± 1.07 | 0.04 (−1.04 to 1.13) | 0.93 |
| M max LG (mV) | 3.71 ± 1.05 | 3.40 ± 1.05 | 0.31 (−0.73 to 1.35) | 0.54 | 3.20 ± 0.89 | 3.87 ± 0.89 | −0.67 (−1.60 to 0.26) | 0.14 |
| M max TA (mV) | 3.21 ± 0.88 | 3.70 ± 0.88 | −0.49 (−1.35 to 0.36) | 0.24 | 2.77 ± 1.03 | 3.39 ± 1.03 | −0.62 (−1.67 to 0.42) | 0.22 |
Diff. (95% CI) difference between means (95% confidence interval), H max maximal H-reflex, M max maximal M-wave, M Hmax submaximal M-wave evoked at H max intensity, H sup H-reflex during MVC, M sup maximal M-wave during MVC, M Hsup submaximal M-wave evoked at Hsup intensity during MVC, SOL soleus, MG medial gastrocnemius, LG lateral gastrocnemius, TA tibialis anterior. Data are baseline-adjusted means ± baseline-adjusted standard deviation. *Denotes a significant difference between groups (P ≤ 0.05) and †denotes a statistical tendency towards a significant difference between groups (P ≤ 0.10)