Decline Squat to Back Lunge- Work your lower body with this decline squat and lunge combo. Begin with your left foot on the Reebok Step and your right foot planted firmly on the ground beside you.  Sit back for your squat.  Come back to standing, squeezing your gluts at the top. Now take a big step back, planting the ball of your right foot on the ground behind you.  Drop down into a lunge.  Return to standing.  Keep your core  engaged and your chest tall.  Repeat this sequence for 8 full combos and then switch to the other side.

Burpee with Forward to Back Straddle Jump- Set up at the end of your Reebok Step.  Drop down into a squat and plant your hands firmly on the step.  Jump your feet back into a plank and then immediately back up into a squat.  Pull your chest up tall, releasing the step.  Straddle jump forward and back.  Try to stay low and keep your chest up tall.  Repeat the sequence form the beginning for a total of 8 reps.