Physical training, from the type of modifications which it causes in the body, exclusively concerns patients suffering from coronary disease. Because of the decrease of the double product, there is an increase of the ischemic threshold on exertion, with decrease in the number of angina pectoris attacks and of the shift of the ST segment during the stress test. Training must be based on physical exercises in endurance (jogging, bicycle) at the rate of 3 weekly sessions to reach a good level of intensity corresponding at least to an energy consumption of 2,000 calories per week. Training must be continued indefinitely, which makes if a difficult therapy to prescribe and observe.