Gym ball exercises might feel retro, but they are the most underrated Pilates alternative - here's 5 to try

Woman doing gym ball exercises in activewear, hands stretched out for balance, concentrating face.

Gym ball exercises are the underrated Pilates alternative. They challenge the core, shoulders, arms, and back in a similar way and use a versatile fitness essential.

I love a Pilates workout at home. It fires up my ab muscles and helps in my quest for better balance and mobility. However, it's good to spice things up once in a while, and a simple exercise ball can help do just that.