Salamba Sirsasana (head stand) is classified as inversions. While many benefits are attributed to these poses, the main benefits result from the effect of gravity on circulation within the lymphatic and cardiovascular systems in the inverted state.
The main effects of Sirsasana are on the brain. The pose stimulates oxygenated blood supply to the brain, promoting clarity and sharpness of intellect. The position also revitalises the pituitary and pineal glands that regulate growth and health in the body. Sirsasana is classified as a stimulating and invigorating pose. On the contrary, Sarvangasana soothes the nervous system, and promotes patience and emotional stability. The inverted state in this asana stimulates oxygenated blood supply to the chest area, which is considered to assist the healing of ailments in this region (e.g. bronchitis and asthma). The chin lock of Sarvangasana stimulates the thyroid and parathyroid glands, which are involved in the regulation of the nervous and muscular systems (parathyroid) and metabolism (thyroid).
The yoga pose headstand is known as the king of all yoga poses because of the tremendous benefits it brings for the body and mind.
All our physical and mental activities are governed by the brain, which is the seat of intelligence, knowledge and wisdom. headstand increases the blood flow to the brain and it revitalises the entire body and mind

Benefits of Headstand :

  • The inverted position of a headstand also flushes fresh nutrients and oxygen to the face, creating a glowing effect on the skin.
  • Headstands increase nutrients and blood flow to the scalp.
  • . Headstands stimulate and provide refreshed blood to the pituitary and hypothalamus glands. These glands are vital to our wellbeing, and are considered the master glands that regulate all other glands in the body (thyroid, pineal, and adrenals).
  • When the adrenal glands are flushed and detoxified with headstands, we create more positive thought. Depression will decrease, as going upside down will almost always put a smile on your face.
  • Improved circulation occurs with a headstand practice. Because the heart constantly has to pump blood upward to the brain, the headstand gives the heart a rest and reduces unnecessary strain. In addition, while in headstand de-oxygenated blood is able to flow more easily from the extremities to the heart.
  • Headstands increase digestive fire and increase body heat. The intestines are cleansed by reversing the pull of gravity, while releasing congested blood in the colon.
  • Headstands strengthen deep core muscles. To hold a straight headstand for an extended period of time, the practitioner must engage the obliques, the rectus abdominus and the transverse abdominus. To really engage and strengthen the core, pike the legs by lifting and/or lowering both legs at the same time when coming in and out of the pose.

Cautions of Headstand

In addition following are the other conditions when headstand can be dangerous and should be avoided or to be performed with caution.

  1. If you are suffering from high blood pressure.
  2. If you have weak eye blood vessels or have had eye operation.
  3. For women during menstruation and pregnancy, it is best to avoid this pose.
  4. If you have a neck injury.