It allows players to train with greater intensity, increase their performance levels, improves recovery times and has also been credited with aiding sleep.

The bone-chilling science is being used across clubs in Europe as part of their players’ daily routine.

Paris Saint-Germain’s world-record signing Neymar braves the cryotherapy chamber with temperature of minus 157 degrees Celsius.

The Brazilian forward, posted the video of him in the chamber on his official Instagram account.

Neymar is seen spinning around in the seven metre-long container while thetemperature dips to as low as minus 157 degrees.

The 25-year-old is filmed braving the freezing cold temperature in the ice box and despite looking as if he is pain, even strikes a pose for the camera.

Neymar entered when the temperature was on minus 151 and manages to remain in the chamber before exiting hastily when it drops another six degrees.

Cryotherapy, which is an alternative to cold water immersion or ice packs is the local or general exposure of the body to subzero temperatures to promote benefits.