Talk:Hypoventilation training
 | This article is rated C-class on Wikipedia's content assessment scale. |
The categorical statement that it isn't useful for endurance sports (already marked citation-needed) contradicts the historical accounts. Would endurance runner Zátopek have used it if he hadn't experienced any benefit? --92.213.88.82 (talk) 10:39, 5 May 2017 (UTC)