Watch this hilarious video of these gym staff members trying the resistance band challenge.
Kamal Mamedov, from Suffolk, UK, was at his gym when his staff members when he decided to capture the challenge that went epically wrong.
Standing next to each other, with the resistance band around their waists, they ran to either side of the gym, with one of them being dragged backwards as they sprinted.
Fortunately, he said that no one was hurt.