Training with Masks in 2000?

[labgoat]

While archiving videos I came across Barbara Fusar-Poli & Maurizio Margaglio training with masks back in 2000.

Who knew?
https://youtu.be/Zndw8Jq6qKI?t=744

 

[ladyjane]

Hahaha. Wonderful. I didn't know. Great find @labgoat!

 

[treblemakerem]

My coach has mentioned to me that they used to do this before competitions to improve stamina and especially if they were going to high altitude.