second wind express

I took the Second Wind Express course some time back now and I am still having a hard time understanding some aspects of the relaxation chapter. Hoping someone can simplify it for me. Researchers demonstrated that speed of muscle relaxation correlated more with level of athletic achievement...

Greetings, Strong Men and Women. I have been doing hypoxic breath hold exercises for quite a while. Though many benefits are seen, I was always experiencing some discomfort when doing them. I wonder if there is anyone else that has the same feelings. Are they supposed to be felt during hypoxic...

Hi all, I've been practicing the hypoxic breath holds, and a question has occurred to me. What is a "normal" inhale before the passive exhale preceding the hold? Is it exactly like the dozen, or more, before it? I usually take one, larger inhale before exhaling passively prior to my breath...

I tried the breath hold test from the last SF email teasing Second Wind Express. Now I'm holding my breath for the next email telling me how to interpret my results! ( I know SF doesn't have a strong pun game, but they are potentially leaving some serious dad jokes on the table if they don't...