Sort:  

There is that, if you don't lay "correctly", the diagonal lay causes you to lay totally flat so the back is fine. My biggest problem has always been my knees, I have long legs so they tend to hyper extend.

Coin Marketplace

STEEM 0.28
TRX 0.24
JST 0.040
BTC 94554.47
ETH 3282.86
SBD 6.52