Fig. 5From: Neuromuscular function during knee extension exercise after cold water immersionMean power frequency of electromyography in the rectus femoris during submaximal isometric knee extension. Values are mean (SE). Dagger represents a significant difference between pre- and post-immersion (P < 0.05). Asterisk represents a significant difference between water temperature conditions (P < 0.05). MPF mean power frequencyBack to article page