Table 2.
Neuromuscular parameters recorded during brief explosive maximal plantar flexions prior to (pre) and following (post, 24 and 48 h) match-play tennis in COOL and HOT conditions
Neuromuscular | Assessment time point | ||||
---|---|---|---|---|---|
Parameters | Condition | Pre | Post | 24 h | 48 h |
MVC torque (Nm) | COOL | 83.5±11.9 | 75.8±10.3* | 80.4±11.2 | 83.0±14.3 |
HOT** | 81.1±9.4 | 70.0±15.7* | 75.1±13.4 | 75.3±9.8 | |
Peak RTD (Nm/s) | COOL | 372±67 | 372±73 | 381±82 | 353±83 |
HOT | 330±65 | 324±64 | 359±107 | 380±106 | |
RMSMAX (mV) | COOL | 0.227±0.070 | 0.239±0.086 | 0.238±0.100 | 0.245±0.095 |
HOT | 0.223±0.084 | 0.214±0.075 | 0.248±0.085 | 0.232±0.088 | |
M-wave (mV) | COOL | 7.1±2.6 | 6.8±2.3 | 7.7±1.7 | 7.7±2.1 |
HOT | 7.2±2.4 | 7.3±1.8 | 7.7±1.8 | 7.3±2.3 | |
RMSMAX/M-wave (au) | COOL | 0.034±0.009 | 0.036±0.011 | 0.032±0.013 | 0.033±0.012 |
HOT | 0.032±0.012 | 0.030±0.008 | 0.033±0.011 | 0.033±0.012 |
Values are expressed as means±SD.*p<0.05, significantly different from pre.
†p<0.05, significantly different from COOL.
MVC torque, maximal voluntary contraction torque; RMSMAX, M-wave and RMSMAX/M-wave represent the average of root mean square, maximal M-waves and normalised electromyogram activities of soleus and gastrocnemius lateralis muscles; Peak RTD, peak rate of torque development.