I did this challenge and i started seeing results in my tummy fat each week. I did have a little difficulty doing the spider man plank so i just substituted it with each plank before that one. I challenge each of you to challenge y
Fitness posters and exercise charts will turn a plain room into a gym. The Great Fitness Handbooks, Fitness Posters, and Fitness DVDs will teach you everything you need to know about getting started on a workout program.