device · Tracked item
O2 Trainer
Every recorded take from the experts Cited tracks — each with the exact quote, source, and timestamp.
▲ Strong endorse
2 recommendations across 2 experts · 2 episodes
2 endorse
0 nuanced
0 avoid
Who's on the record
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Organic (prompted)
Respiratory muscle training device that restricts airflow on inhalation to strengthen intercostals and diaphragm; helpful for altitude prep.
“strength training your intercostals and your diaphragm
TT▶ 4:06:30Certaintyexplicitrecommendation -
Respiratory resistance device with mouthpiece used for breathing exercises; can reduce lower back pain and improve back/lung mechanics.
“I've continued to use this device and been super impressed by it
TT▶ 1:14:30DosageStart with 15 breaths (not 30); includes rounded-over back breathingCaveatsDon't start with 30 reps — will cause severe back soreness next dayCertaintypersonal onlystrong endorsement