The former Orlando Pirates defender was forced into early by an ankle injury while playing for SuperSport United.
WATCH: Fans cheering Pirates at airport
The former Bafana Bafana defender says he was introduced to aerobics when he was going through rehabilitation for an injury that he never came back from.
READ: City sign former Chiefs striker
“When I was doing rehab trying to recover from the ankle injury, I was busy with aerobics, I liked it, the ankle kept giving me problems and I decided to go back home and start classes. It started small and we gained more members as we went along,” said Thwala in an interview with SABC Sport.
READ: Chiefs midfielder joins Maritzburg
The 36-year-old has no formal qualification to teach aerobics but many people attend his classes in Nelspruit.
ALSO READ: Player receives six-match ban for assault
Download our app and read this and other great stories on the move. Available for Android and iOS.