{"version":1,"type":"rich","provider_name":"Libsyn","provider_url":"https:\/\/www.libsyn.com","height":90,"width":600,"title":"Y&amp;B #61 - Ground Reaction Forces in 28 Yoga Poses","description":"What are Ground Reaction Forces (GRFs) and why are they important? In biomechanics GRF is&amp;nbsp;the force exerted from the ground onto the body when they make contact. It's basically Newton's 3rd law: for every action there is a reaction. Measuring these forces helps us understand how yoga poses impact bones and possibly bone mass. ","author_name":"Yoga Research &amp; Beyond","author_url":"https:\/\/www.arianayoga.com","html":"<iframe title=\"Libsyn Player\" style=\"border: none\" src=\"\/\/html5-player.libsyn.com\/embed\/episode\/id\/5831366\/height\/90\/theme\/custom\/thumbnail\/yes\/direction\/forward\/render-playlist\/no\/custom-color\/060606\/\" height=\"90\" width=\"600\" scrolling=\"no\"  allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen><\/iframe>","thumbnail_url":"https:\/\/assets.libsyn.com\/secure\/content\/93024686"}