Half shoulder stand improves circulation of blood and lymph, while it stimulates the immune system and the thyroid.

1. Lying on the floor with your arms alongside your body (palms down), bend your knees and kick and rock your legs up and back, bringing your knees to your forehead and place your hands under your hips to support your weight.
2. Cup your hips with open hands as though you  are holding a bowl. Begin to lift your legs up and straighten them over your head. Support your weight through your hands, but primarily with your arms and shoulders. Make sure there is little or no weight put on yoru neck and head.
3.  Find a position in which yo ucan balance your legs over your head and relax yoru leg muscles. At this point you are trying to exert as little effort as possible, so find the position that feels most comfortable.
4. Breathe and hold 4-10 breaths.
5. To release, bend your knees back toward your head and carefully roll your spine back toward the floor.

Modification:

If you are more comfortable with getting the feel for this position using a little guidance, use a wall to lean your legs against.

Contraindication:

This position should be avoided in later pregnancy, if you have high blood pressure, recent or chronic back, neck or shoulder injury.