1? The soles of your feet are very close

2? The lower the knee, the better? Stretch your upper body as much as possible?

3? Keep your arms as straight as possible? Keep your index finger straight? Other fingers bent?

4? Tighten the lower abdomen? Breathe in while expanding your chest

5? Inhale at the same time Lean forward? Try to keep your abdomen as low as possible?

6? Dump your upper body to the maximum? Stop breathing?

7? When you hold your breath. Exhale and lift your upper body? Don't push your arm, okay?

8? Get up and breathe five times? Repeat this action again? Repeat it five times or ten times?