Watch out, because this gas-relief position may be the most effective of all — especially if you've already worked through the previous 11.
- Lying on the back, bend both knees, and hold the outside edges of your flexed feet with your hands. Keep your arms on the outsides of your legs.
- Gently use your upper-body strength to equally press both knees to the floor below your armpits. Try not to tense your shoulders or chest, but keep everything relaxed.
- Stay here for five deep breaths.