Fitness Workouts: Cardio: 20 Minute Tabata HIIT IT! Olympic Tabata Upper Body: Beginner's Upper Body Circuit Bodyweight Arm Workout Sleek And Strong Arms Trick Or Treat Upper Body Spring Surprise Upper Body Variety Winter Tone Up Lower Body: Beginner's Lower Body Circuit Crazy 100s Endless Summer Lower Body Workout Holiday Kettlebell Circuit January Sweaty Supersets Lower Body Buster Quickie November Leg Burner Rep It Out: 124 Shakin' Legs The 20s Other: Plank Variations Smoke 'Em Out (Calves and Push-Ups)