Workout DVD - Bodyweight | Mark Lauren You are Your Own Gym | Calisthenics Workout Fitness DVD Set, Sports & Outdoors - Amazon Canada
Can You Get a Full-Body Workout in 20 Minutes? - The New York Times
What is a good 20 minute workout? - Quora
Zumba High Intensity Cardio & Tone 60 min Workout DVD featuring Michelle Lewin, Fitness Planners - Amazon Canada
Ton Up: Great 20 minute workout! | The best at-home workouts don't necessarily require a ton of equipment—or any equipment—other than your own bodyweight. Here's a great 20 minute workout... | By