Cryotherapy chambers are a relatively new device. The machines use liquid nitrogen or electricity to chill a small enclosed space down to a mind-numbing minus 150 degrees Fahrenheit or even lower.

Today it is known as cryotherapy, a recovery method that safely exposes your entire body to sub-zero temperatures in a specialized chamber. Cryotherapy: How it works and its benefits on the body News ...

After the session ended, I stepped out of the cryo chamber. The therapist checked my body temperature before I entered: 90 degrees, which dropped to 62 degrees after the cryotherapy.

People receiving cryotherapy stand in a chamber that is cooled with sprays of liquid nitrogen, which is chilled to between -100 and -140 degrees Celsius. The liquid nitrogen never touches the skin.

The first thing Melanie C did when she landed in Sydney was go into this cryo chamber. Picture: Instagram/cryonorthernbeaches. Set at a very cold and ‘intense’ -140 degrees.