In a room lit up by multi-coloured strobe lights and reverberating with pounding music, more than a thousand people are throwing punches and kicks in time to the beat.
Egged on by instructors on a stage, they move in sync, their faces and bodies sweaty with exertion.
Already a subscriber? Log in
Get exclusive reports and insights with more than 500 subscriber-only articles every month
No contract
ST app access on 1 mobile device
All subscriber-only content on ST app and straitstimes.com
Easy access any time via ST app on 1 mobile device
E-paper with 2-week archive so you won't miss out on content that matters to you
Join ST's Telegram channel and get the latest breaking news delivered to you.
A version of this article appeared in the print edition of The Straits Times on April 29, 2019, with the headline Fitness fests muscle in. Subscribe