Square One works on tendons, ligaments, fascial fitness VO2 Max, agility and suppleness in one handy workout. Stay on the balls of your feet for Jumping Jacks and make sure your form is perfect bringing your arms up above your head and then forcing them down fast, by your sides, controlling them all the way. Muscle load goes up as you go from one set to the next and the result is a workout that totally helps you become streamlined and agile.
Extra Credit: 1 minute rest between sets.