His later career was a prolonged exercise in concealment.

Dopamine levels have been found to be lower after prolonged exercise.

Predisposing factors can include eating less than usual or prolonged exercise earlier in the day.

Clinically, the accessory soleus may be associated with pain and edema during periods of prolonged exercise.

Activities such as walking, long slow runs, rowing, and cycling require a great deal of oxygen to generate the energy needed for prolonged exercise (i.e., aerobic energy expenditure).