We tapped Biggest Loser trainer Jen Widerstrom to help you upgrade your burpees to feel stronger, tighter, and more confident in just 30 days. To view the full work out go to www.fitnessmagazine.com/burpeechallenge. Subscribe to follow the challenge! http://po.st/SubscribeToFitness About Fitness: The only source for all things beauty, fashion, celebrity, and healthy! Fitness is more than just working out, make sure you follow us to get health tips, recipes, and recommended workouts! Official Shape Website: http://po.st/FitnessOnline Get Fitness Digitally: http://po.st/FitnessGoesDigital Follow Shape on FACEBOOK: http://po.st/FitnessOnFacebook Follow Shape on TWITTER: http://po.st/FitnessOnTwitter Follow Shape on PINTEREST: http://po.st/FitnessOnPinterest Follow Shape on INSTAGRAM: http://po.st/FitnessOnInstagram