{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Nirenstein's First Law of Running: Gravity Rotates the Body from Its Off Balance Center Around the Grounded Foot on Every Stride","author_name":"Jack Nirenstein","thumbnail_url":"https://www.ebooknetworking.net/books/145/600/big1456003305.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1456003305.html\">Nirenstein&#039;s First Law of Running: Gravity Rotates the Body from Its Off Balance Center Around the Grounded Foot on Every Stride</a>","width":400,"height":300}