Notes
four sets of twenty reps, jumping jacks, jump squats, step switch steps
four sets of step box jumps (20), 15 each side step box blasts, 20 calf raises on the step
four sets of iron cross hold 45 sec, 20 russian twists and 20 knee tucks
four sets of 10 bird dogs, 15 single leg glute bridge, and 20 supermans