Take 20 minutes to test out another form of stress relief -- even something as simple as soaking in an essential-oil-infused bath, or going for a walk while listening to music that lifts your mood.
Focus on core and arm strength this week, while increasing your cardio. "Try to hold the poses a little longer each day for greater stability and strength," says fitness pro Ellen Barrett.
Today, double up with both the Core Series and the Arm Toners. Shift your main focus from walking to running today: Warm up with a five-minute walk, then try to jog for 15 continuous minutes.