{"version":"1.0","type":"link","title":"Exercise ball - Newikis","description":"An exercise ball is a ball constructed of soft elastic, typically in 5 diameters of 10 cm increments, from 35 to 95 cm (14 to 37 in), and filled with air. The air pressure is changed by removing a valve stem and either filling with air or letting the ball deflate. It is most often used in physical…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/9/94/Fitball_Group_Fitness_Class.JPG","thumbnail_width":800,"thumbnail_height":532}