Do you want to get your glutes sculpted for summer? Sophie van Oostenbrugg is a fitness trainer and the founder of the Gains with Brains app. She regularly shares workouts with her 2.4 million Instagram followers on how to burn fat and build muscle. “I grew up hearing that women should be as small as possible. That’s why I loved being able to share my bulking journey on social. I’ve done 2 bulks so far.. and I was thinking about starting and sharing a 3rd one,” she wrote in a recent p...
