猫背@Wiki
http://www32.atwiki.jp/real/

前スレ
姿勢・背筋・猫背を治すスレ19
https://rio2016.5ch.net/test/read.cgi/body/1480506597/
姿勢・背筋・猫背を治すスレ20
https://rio2016.5ch.net/test/read.cgi/body/1561639936/