A champion bodybuilder, Sifiso Lungelo Thabete, broke his neck after attempting a backflip during a competition in South Africa this week.
Thabete died after landing on his head. He remained motionless on the floor following the incident.
He tried to pump up the crowd with his trick but it went horribly wrong.
Friends and medics came rushing to help Thabete, as he continued to be still.
Watch this horrifying incident here:
This extremely unfortunate incident is a lesson for everyone who tries to do backflips without knowing of the danger.