Isabelle Mathers is a 22-year-old Australian model and influencer with over 1.5 Million followers on Instagram. View this post on Instagram A post shared by Isabelle Mathers (@isabellemathersx) In today's post, I would love to share a little about her workout and diet routine to be able to understand how she maintains her body so nicely. I think she looks fabulous and does a good job doing it too. Working Out, Normally, Isabelle works out first thing in the morning mainly in the gym with her trainer Rachael. Her circuits involve the core, leg, booty, and arm. She will normally do around 4 to 5 exercises with 20 to 30 reps each. Here's an example of her core day in the gym, View this post on Instagram A post shared by Isabelle Mathers (@isabellemathersx) Right after most of her circuits, she likes to talk walks on the treadmill, play some basketball or have a walk down to the beach. I love this as it is a way to get a bit of cardio in. What I