This Fitness Challenge Will Make You Feel Like A Badass Complete the 30 Day Plank Challenge this month and get fit and healthy in only 30 days. The 30 day plank challenge is great for boosting core strength.
30 Day Ab Challenge - Best Ab Exercises to Lose Belly Fat Fast Banish your stomach fat with this 30 Day Ab Challenge. This 30 day ab workout challenge is designed to strengthen your core and tone your stomach. Give this ab challenge a try.