Danish swimmers Lotte Friis and Rikke Møller Pedersen are among the first Danish athletes to test the effect of hypoxic tents, as a mean to prepare for classic altitude camps, and prolong the effect of them. The Danish elite sport organization Team Danmark has criticized the use of hypoxic tents up until 2009, but has changed opinion now according to Lars Johansen sport physiologist at Team Danmark’s test center:

There is an opening that Danish athletes can use the legal technology that is available. We test it on a some named athletes, who we know have experience with altitude training. (more…)