inverted asana harness the force of gravity Headstand or shirshasana is the main inverted asana. the main purpose is to reverse the flow of gravity in the body.this increases the flow of blood into the braiun and lessens the stress on the heart. It also has anti depressant effects. shirsasana should not be done if suffering from glaucoma or high blood pressure or during the menstrual cicle,
other inverrted asanas are salamba sarvangasana, halasana, garba pindasana, urdhva padmasana, pindasana, pinchamayurasana.