屈膝分腿坐（双手后撑）

full-body photo of a 30-year-old woman sitting on a yoga mat with both knees bent outward and feet planted apart, supporting her torso with both palms behind her hips and tilting her head slightly sideways, front view, wearing a forest-green sweatshirt and loose navy trousers with white socks, in an exercise studio, photorealistic, natural lighting