1. On the run, stop and connect your legs.
2. Quickly bend down, rest your palms on the floor and move your legs back without bending your elbows. The body will thus assume a position as when pushing up from the floor.
3. Having fixed the pose for a moment, quickly get up and continue running.
4. Perform 10 to 30 times with an interval of 8 to 20 steps.
Exercise involves many muscles, especially the abdominals and back. This helps to strengthen the whole body, develops dexterity. With intensive performance, the muscles work in anaerobic mode, that is, without oxygen due to internal energy reserves. To a reasonable extent, this is useful, since the body's ability to act in this anoxic mode increases, and metabolism is improved.
Text: From Ar Eddar's book "The Beginning of Hatha Yoga"