Take 90 minutes, 26 postures in a room that is heated to 40C and you can gurantee a sweat..
This form of yoga can burn over 600 calories per class and boost your strength like no other.
If you went three times a week you would drop a dress size in no time.
While the moves are similar to other classes, the termperature speed at which the postures are worked through isn't.
One of the postures doubles your heart rate from 70 to 140 in just five seconds.
Find out more by visiting bikramyoga.co.uk