9/21/15Posted on September 20, 2015 by affiliate 12 x :20 alternate with Chin Ups and HSPU 5 Sets 2 Push Jerk + Split Jerk EMOTM for as long as possible: 20 double unders + 2 KBS 20 Double unders + 4 KBS 20 Double Unders + 6 KBS, etc..