Khloé, Kim, and Kourtney regularly share videos on Snapchat of themselves slamming battle ropes, balancing on BOSU balls, punching it out in boxing gloves, pushing weighted sleds, and more. (health.com)
This year the new BOSU Elite by WeckMethod was released. (weckmethod.com)
Stuff like running or jumping on bosu balls and unstable surfaces all the way to walking on plumbing pipes (I wish I was kidding) claiming hip stability. (strengthsensei.com)