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Table 1 Torque / EMG relationship responses to an increase in core and/or skin temperature

From: Hot ambient conditions shift the Force / EMG relationship

  Study 1 Study 2
  CON HOT-core CON HOT-skin
Temperature responses     
 Core temperature (°C) 37.3 ±0.4 39.0 ±0.2* - -
 Skin temperature - Soleus (°C) 28.8 ±0.4 39.8 ±0.9* 25.4 ±2.2 35.2 ±0.9*
 Skin temperature - GM (°C) 30.1 ±0.4 39.8 ±0.7* 23.8 ±2.0 35.6 ±1.3*
Torque / RMS ratio (MVC)     
 Soleus (N.m.mV-1) 472 ±260 638 ±327* 1297 ±443 1416 ±473*
 GM (N.m.mV-1) 245 ±135 299 ±168* 1405 ±931 1551 ±933*
Slope Torque/RMS relationship     
 Soleus (N.m.mV-1) 576 ±283 768 ±204* - -
 GM (N.m.mV-1) 291 ±146 345 ±111* - -
  1. CON: normo thermic control condition. HOT-core: passive hyperthermia in hot ambient conditions. HOT-skin: local modification of the skin temperature. RMS: Root Mean Square of the electromyographic signal. * p < 0.05.