{"version":1,"type":"rich","provider_name":"Libsyn","provider_url":"https:\/\/www.libsyn.com","height":90,"width":600,"title":"Stop Sit Ups, Save Your Spine, Flatten Your Belly ","description":"Crunches and sit ups are not the best way to get a strong core. This popular topic is an evergreen source of controversy. The statistics are clear, however. It's easy to feel immune before you're hurt. Here are the tips and the supporting research, both personal and academic.&amp;nbsp; flippingfifty.com\/flatabsbetterback ","author_name":"The Flipping 50 Show","author_url":"https:\/\/www.flippingfifty.com\/podcast","html":"<iframe title=\"Libsyn Player\" style=\"border: none\" src=\"\/\/html5-player.libsyn.com\/embed\/episode\/id\/5804293\/height\/90\/theme\/custom\/thumbnail\/yes\/direction\/forward\/render-playlist\/no\/custom-color\/88AA3C\/\" height=\"90\" width=\"600\" scrolling=\"no\"  allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen><\/iframe>","thumbnail_url":"https:\/\/assets.libsyn.com\/secure\/item\/5804293"}