Sarvangasana is a form of yoga pose that helps you to maintains a strong back and also provides you with the flexibility and suppleness required by the muscles.

Meaning :
Sarva in Sanskrit means all or every. Anga means body part or a limb. Asana means posture. So Sarvangasana means All body posture in Sanskrit.

This is a yoga pose that has ben practiced by yogis and rishis since ages. It is thus rightly called the queen of asanas and has been revered as the origin of yogasana in fact.

Technique :

Lie on the back and keep your hands in the m idle of the spine.
lift the lower body and legs such that the neck, head, and the shoulders along with the upper arms support the entire weight of the body.
Look towards the toes and keep the line of the head in perpendicular position to the front of the body.
Repeat thrice.
Benefits :

Helps to strengthen the spine.
Ailments such as arthritis find relief with this asan as it focuses on the back and the shoulder joints.
Other maladies like chest congestion, bronchitis, chills, nasal blocks, and cough are easily treated with this pose.
Tonsillitis, asthma are also cured with the help of this asan.
Women undergoing menopause and nervous anxiety are cured with this and it also aids in altering memory loss.
prostrate problems, menstrual disorders, palpitations of the Heart etc are controlled with the help of Sarvangasana.
Caution :

For those having blood pressure, angina, whiplash, osteoporosis induced spinal problems, it is advisable not to do this asana and to do it under medical supervision.

Due to the continuous practice of Sarvanagasana, the entire internal system undergoes a sea change and thus it contributes to maintaining the beauty not only externally but also internally.