Inside Isabel Yvonne Hausensteiner’s Glute-Focused Workout Routine That’s Redefining Women’s Fitness in 2025
In the ever-evolving world of fitness and social media, few figures have captured the attention of both casual gymgoers and fitness professionals as effectively as Isabel Yvonne Hausensteiner, known to her hundreds of thousands of followers as @by.isabelyvonne. With her signature blend of precision, motivation, and authenticity, Isabel has become a defining voice in the …