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 / Updated  / Source: TODAY
By Rheana Murray

For this mom, having three kids is no excuse to skip a workout.

Kimberley Welman’s quirky exercises have gone viral since she started using her stroller as a gym prop and her twin babies as weights. Welman, who blogs under the name Stay Strong Mummy, might be social media’s newest fitness star, but she told TODAY.com it all happened by accident.

The Queensland, Australia mom said her kids wouldn’t stop climbing on her while she tried to work out.

“I would set them up for some activities outside, but of course they just wanted to jump around and on top of me,” said Welman, 31. “I figured, well, if this is what they want to do, then so be it. So while I was doing dips, I’d sit one of them on my lap. While I was doing some abs, they’d sit on my tummy. When I did bear crawls, they’d hop on my back.”

It morphed into a routine, and now once a week Welman and her kids—a 3-year-old daughter and the 1-year-old twins, a girl and boy—exercise as a group.

“I head outside with my gym gear on and they know what I’m about to do, so they jump in the pram and then as I do different exercises, they just join in,” she said.

Welman has more than 12,000 Instagram followers who can’t get enough of her adorable fitness routine, healthy food snapshots and inspirational messages. As for fans who request advice, the social media-savvy mom points out that she’s not a nutritionist or a personal trainer.

That said, body weight exercises including squats, lunges, planks and push-ups are a good start, she said.

“I would recommend moms see a trainer who specializes in strength and conditioning exercises and high intensity cardio and learn some basics … and then what they learn there, they can continue to do at home and improvise with the kids,” Welman said. “It’s funny, I generally just do my workouts and the kids find a way of joining in on their own.”

As for her children, they love it, too.

“I don’t think you can go wrong by being outside, in the fresh air, moving your body and interacting with your kids at the same time,” she said.

This article was originally published Mar. 3, 2015 at 4:19 p.m. ET.