Hacker News new | past | comments | ask | show | jobs | submit login

An exercise that takes 2-4 minutes is not the same as a HIIT exercise where you exhaust yourself in 30 seconds.



Swing it faster.


That's high-impact exercise a sizable fraction of people cannot do and has inherent risks of serious injury.

HIIT isn't necessarily high-impact.




Join us for AI Startup School this June 16-17 in San Francisco!

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: