John, Mike , and Diana warmups

https://www.youtube.com/watch?v=v2BKnnjVCzI Part 1 ////////////// https://www.youtube.com/watch?v=Du1ku4QiLxw Part 2 ////////// https://www.youtube.com/watch?v=GjK0eCgpqdg part 3 ///////// https://www.youtube.com/watch?v=E6QKW7J8qJk part 4 //////////