Ardha Salambhasana

Take what you have learnt into the full pose at

Backbends can strain the Lower Back; here, correct actions are learned, so that one can progress to the more advanced back bending movements without harm.
Avoid this movement if you have a headache, migraine, diarrhoea, Insomnia, or if you are menstruating, If you more then three months pregnant avoid this movement, and if you have a history of miscarriage avoid this movement altogether.