Table 3.
Fatigue-induced percentage change in peak twitch torques, evoked potentials, maximum and explosive voluntary strength, normalized muscle activity (RMS-EMG/Mmax) during iMVC and the initial phase of contraction for the intervention (INT) and control group (CON) at baseline.
| Parameter | Pre | ||
|---|---|---|---|
| INT | CON | Diff. | |
| PEAK TWITCH TORQUE (%) | |||
| Supramaximal single | −5.2 ± 9.0 | −9.4 ± 12.5 | 4.2 |
| Supramaximal doublet | −7.0 ± 10.1 | −8.3 ± 9.5 | 1.3 |
| H-reflex intensity | 3.2 ± 11.2 | 2.1 ± 15.7 | 1.1 |
| EVOKED POTENTIALS (%) | |||
| Hmax SOL | 13.5 ± 18.7 | 16.5 ± 21.6 | −3.0 |
| Mmax SOL | 1.4 ± 13.0 | 10.1 ± 19.4 | −8.7 |
| Hmax/Mmax SOL | 14.0 ± 20.1 | 12.0 ± 15.2 | 2.0 |
| V-wave SOL | −37.0 ± 20.7 | −27.1 ± 28.3 | −9.9 |
| Msup SOL | −6.5 ± 15.0 | −3.4 ± 10.5 | −3.1 |
| V/Msup SOL | −32.6 ± 19.9 | −25.1 ± 25.9 | −7.5 |
| Isometric maximum voluntary torque (%) | −13.6 ± 7.9 | −8.6 ± 9.5 | −5.0 |
| RMS-EMGiMVT/Mmax (%) | |||
| TS | −26.5 ± 10.7 | −27.8 ± 16.0 | 1.3 |
| TA | −6.0 ± 6.2 | −8.8 ± 7.5 | 2.8 |
| RATE OF TORQUE DEVELOPMENT (%) | |||
| 0–100 ms | −23.7 ± 13.3 | −24.6 ± 8.2 | 0.9 |
| 100–200 ms | −10.1 ± 11.2 | −5.5 ± 10.3 | −4.6 |
| RMS-EMGRTD/MMAX (%) | |||
| TS 0–100 ms | −32.2 ± 14.3 | −29.4 ± 13.5 | −2.8 |
| TS 100–200 ms | −27.0 ± 17.1 | −22.2 ± 15.2 | −4.8 |
| TA 0–100 ms | −18.1 ± 9.6 | −16.0 ± 7.2 | −2.1 |
| TA 100–200 ms | −13.8 ± 15.8 | −12.7 ± 10.4 | −1.1 |
Diff., difference between means; Hmax, maximal H-reflex; Mmax, maximal M-wave; MHmax, submaximal M-wave evoked at Hmax intensity; Hsup, H-reflex during iMVC; Msup, maximal M-wave during iMVC; MHsup, submaximal M-wave evoked at Hsup intensity during iMVC; SOL, soleus; TS, triceps surae; TA, tibialis anterior. Data are means ± standard deviations.