100 days challenge - six pack -

How my abs changes by keeping working out for 10 mins? (after 1 week (7 days))

Currently I'm challenging to get a six pack by 10 mins training every day. Initial post is here: howtoo.hatenablog.com These are the result after 7 days. Is it only me who feels I got thicker waist by this picture? ...anyway, here is the g…

100 day challenges ①Keep working out for 10 mins.

First challenge is to get six pack. I searched "abs workout" on YouTube, and found this: youtu.be During this workout, you can't take a rest (Of course you can if you stop it). It seems very hard but I'm pretty sure I can get a six pack th…