Get ready for an extraordinary display of strength and determination in "Challenge of Champions: Pulling the Sukhoi Superjet ...

75 Hard: What happened when I tried the internet's toughest fitness challenge - Paddy McGuinness has followed celebrities from JoJo to Madison LeCroy in doing this brutal 11-week fitness challenge.

Get ready for an intense and fun workout brought to you by GRIT Fitness. The energetic instructors from GRIT Fitness will incorporate different training techniques and focus on several muscles groups ...