Stay lean: Fitness coach Jenn Mulianto is one of many personal trainers running online classes for her clients during the COVID-19 pandemic. (Courtesy of Jenn Mulianto)The government’s pleas for the public to follow physical distancing measures to help flatten the curve of the COVID-19 outbreak have forced those with active lifestyles to adapt by participating in online workout classes.Private sector employee Ade Nurmalia Soetrisno goes to the gym regularly to stay fit. Located at Teraskota Mall in South Tangerang, the gym is her usual after-work and weekend haunt, where she knows the regulars by name.

But with the gym temporarily closing in compliance with physical distancing rules, the mother of two has found herself regularly going online to take part in her favorite instructors’ online sessions.

“Since the gym closed, the instructors have held their own sessions o...