Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

I jump rope on two yoga mats, one on top of the other. I've done it without a couple times and noticed the very next day. FYI I am just over a 100 lbs but I also jump for 30-40 minutes, depending on the show I am watching.


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

Search: