>2017
>not using one of these
it's like you WANT postural imbalances and back pain
>exploding knees.jpg
>>42790475
these are not comfortable or good for posture
>>42790475
What makes you say this chair is a better choice than a conventional chair?
>>42790475
>/fit/izen
>working in an office
Do you larp your 1rm too OP?
Just bought a new chair.
The base moves around so you actually work your core a little.
Confy as fuck
https://www.amazon.de/gp/aw/d/B00BM7R0XK/ref=mp_s_a_1_6?__mk_de_DE=ÅMÅZÕÑ&qid=1504900490&sr=8-6&pi=AC_SX236_SY340_FMwebp_QL65&keywords=topstar+sitness&dpPl=1&dpID=41cYK%2BpJw9L&ref=plSrch