Featured on www.menshealth.com on March 7th, 2016:

“Doing 100 reps of burpee-pullups as fast as possible may be one of the hardest challenges you’ll ever perform at the gym. It works every muscle in your body and leaves you feeling like your heart and lungs are going to explode.”

To continue reading the article visit:

https://www.menshealth.com/fitness/a19516568/100-rep-burpee-pullup-challenge/