Table 2.
Parameter | Pre | ||
---|---|---|---|
INT | CON | Diff. | |
PEAK TWITCH TORQUE (N·m) | |||
Supramaximal single | 13.1 ± 2.5 | 14.9 ± 1.7 | −1.8 |
Supramaximal doublet | 25.4 ± 5.1 | 26.7 ± 2.5 | −1.3 |
H-reflex intensity | 10.1 ± 2.3 | 10.9 ± 1.9 | −0.8 |
EVOKED POTENTIALS | |||
Hmax SOL (mV) | 3.68 ± 1.96 | 2.70 ± 0.92 | 0.98 |
Mmax SOL (mV) | 6.50 ± 2.23 | 5.00 ± 1.60 | 1.50 |
Hmax/Mmax SOL | 0.58 ± 0.19 | 0.57 ± 0.20 | 0.01 |
MHmax/Mmax SOL | 0.16 ± 0.13 | 0.17 ± 0.14 | −0.01 |
Hsup SOL (mV) | 3.92 ± 1.83 | 3.24 ± 1.43 | 0.68 |
Msup SOL (mV) | 6.50 ± 1.94 | 5.98 ± 1.87 | 0.52 |
Hsup/Msup SOL | 0.62 ± 0.12 | 0.52 ± 0.20 | 0.10 |
MHsup/Msup SOL | 0.20 ± 0.10 | 0.17 ± 0.05 | 0.03 |
V-wave SOL (mV) | 2.42 ± 1.07 | 2.15 ± 0.78 | 0.27 |
V/Msup SOL | 0.38 ± 0.13 | 0.38 ± 0.14 | 0.00 |
Mmax MG (mV) | 4.39 ± 1.97 | 5.01 ± 2.06 | −0.62 |
Mmax LG (mV) | 5.83 ± 1.96 | 6.84 ± 2.34 | −1.01 |
Mmax TA (mV) | 4.45 ± 1.54 | 4.28 ± 1.03 | 0.17 |
Isometric maximum voluntary torque (N·m) | 93.2 ± 19.9 | 102.0 ± 16.2 | −8.8 |
RMS-EMGiMVT/Mmax | |||
TS | 0.038 ± 0.009 | 0.043 ± 0.007 | −0.005 |
TA | 0.022 ± 0.017 | 0.021 ± 0.009 | 0.001 |
RATE OF TORQUE DEVELOPMENT (N·m·s−1) | |||
0–100 ms | 273.0 ± 71.6 | 293.9 ± 76.8 | −20.9 |
100–200 ms | 328.0 ± 64.9 | 355.8 ± 77.2 | −27.8 |
RMS-EMGRTD/Mmax | |||
TS 0–100 ms | 0.043 ± 0.015 | 0.044 ± 0.010 | −0.001 |
TS 100–200 ms | 0.047 ± 0.016 | 0.045 ± 0.008 | 0.002 |
TA 0–100 ms | 0.021 ± 0.013 | 0.019 ± 0.007 | 0.002 |
TA 100–200 ms | 0.026 ± 0.020 | 0.021 ± 0.010 | 0.005 |
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; MG, medial gastrocnemius; LG, lateral gastrocnemius; TS, triceps surae; TA, tibialis anterior. Data are means ± standard deviations.