Lie on your back with legs extended. Fold your right leg and press the knee towards your chest. Hold the knee with both hands. Count 10 with normal breathing. Release and repeat with the left leg. Then fold both legs together and press both knees towards your chest. Count 10. Release and rest in Corpse pose. Repeat the whole process once more.
Benefits: Consistent practice of this asana lowers the heart rate and increases oxygen supply to the body, which results in higher cardiovascular endurance. It also helps to remove gas from the stomach which can sometimes cause chest discomfort mistaken for heart problems.