Kali Muscle on MSN

100 Burpees, Zero Excuses: Kali Muscle and Big Boy Push Limits

Kali Muscle and Big Boy take on the brutal challenge of completing 100 straight burpees, with no breaks and no excuses. The ...
Amazon S3 on MSN

Boys vs Girls Gymnastics Challenge Gets Intense

In this challenge, boys and girls compete in extreme gymnastics feats.