As far as home workouts go, this one is an absolute doozy.
People in quarantine during the coronavirus outbreak are searching for ways to stay fit and if you want to build that six-pack, you could do worse than attempt to imitate Olympian Yulia Efimova.
A clip of the Russian swimmer keeping her core strength up outside the pool has been viewed more than 10 million times on social media. But fair warning, it looks mighty painful.
READ MORE:
• Covid 19 coronavirus: Tokyo Olympics officially postponed for one year
• Coronavirus: Tokyo Olympics will be postponed says IOC member - report
• Covid 19 coronavirus: Tokyo Olympics postponement - When will it take place and other key questions
• Covid 19 coronavirus: New Zealand to keep quota spots for Tokyo Olympics, after Games postponed
The three-time Olympic medallist uploaded a video to Instagram earlier this month of her mimicking swimming strokes while on a kitchen counter-top. Her legs are on the bench while everything from the top of her thighs onwards is suspended in the air as she alternates between freestyle, breaststroke, butterfly and even backstroke.