The standing clamp
In standing up position.
Bend down to the floor, extending your arms down to touch the floor or ankles. Stick your chest to your knees.
While staying in this posture, try to keep the pelvis back and keep your back straight.
Remaining a few seconds in this posture, perform slow breaths; when you exhale, stretch your legs.
Repeat 3 or 4 times, according to your convenience. Do not force.