I just bought Suunto D4F.
The Suunto apnea trainer have increasing vent interval. Why is that? Why not decreasing breathing interval?
I usually train with CO2 table (decreasing rest interval and constant breath hold)
The Suunto apnea trainer have increasing vent interval. Why is that? Why not decreasing breathing interval?
I usually train with CO2 table (decreasing rest interval and constant breath hold)