Sarvangasana is one of the best and most important asanas in Hatha Yoga. It has a huge amount of benefits which cover all the body systems. The meaning of :(sar-vang-asana)
Sarva = Whole
Anga = Body parts
Asana = Posture

The steps for doing Sarvangasana are as follows :

1) Exhale and while inhaling, contract the abdomen and slowly raise both the legs to a 90 degree angle from the floor.
2) Exhaling raise the waist and the hips from the floor and take the legs backwards over the head.
3) Inhaling raise the back and the legs up into a vertical position, placing the hands on the upper back for support. The chin should rest against the chest, creating the chin lock. Fix the eyesight on the toes and maintaining the asana, continue normal breathing.

These are the most important health benefits of sarvangasana :

1. Blood circulatory system, respiratory system and digestive system will be vivified.
2. While practicing this yoga pose more blood flows into throat, thyroid gland will be invigorated.
3. Sexual disorders are cured easily.
4. It rectifies disorders in ears, nose and throat.
5. Diseases at the bottom and around the heels are cured.
6. Hair loss and premature graying of hair are put to end or controlled.
7. Diseases caused in and around groin (also called as hernia) area will be cured.
8. Practising sarvangasana regularly decrease or increase body weight and maintains the perfect body weight.

Yoga practices can make us more and more sensitive to subtler and subtler sensations in the body. Paying attention to and staying with finer and finer sensations within the body is one of the surest ways to steady the wandering mind.