Fig. 3From: The effect of a physiological concentration of caffeine on the endurance of maximally and submaximally stimulated mouse soleus muscleEffect of 70 μM caffeine treatment and stimulation frequency on recovery of soleus muscle following fatigue (data represented as mean and SE; n = 8 in each case; asterisks represent significant differences in power output at each individual time point between 140 Hz control and 140 Hz caffeine treated)Back to article page