FIGURE 1.

Glycogen concentration in rat epitrochlearis and soleus muscles immediately after an acute bout of swimming and running. Rats were subjected to an acute 3‐hr‐long bout of swimming without a weight (Swim). Immediately after the cessation of swimming, epitrochlearis (a) and soleus (b) muscles were dissected out and used for the measurement of glycogen concentration. Other rats were subjected to an acute 3‐hr‐long bout of treadmill running up a 15% grade at 9 m/min (Treadmill). Immediately after the cessation of treadmill running, epitrochlearis (c) and soleus (d) muscles were dissected out and used for the measurement of glycogen concentration. The time‐matched resting control (Rest) rats started fasting when the exercised rats started fasting (3 hr before starting exercise). Values are mean ± SE; n = 5–8 muscles. *p < .05 versus time‐matched resting control muscles