O2 Tables

O2 tables - Find 80% Max breath hold and reduce by 5 x 30 sec.

Max breath hold = 4:30
80% breath hold = 3:40
Start breath hold = 1:40

O2 tables - Start with 1:40 breath hold and increase by 30 sec each set up to 3:40. Breathe up time between each set is 2 min.

Later: