This makes ab workouts with a medicine ball more effective at burning calories and engaging your core than if you did the same workouts without one. There's no fitness baseline you need to work ...

Lucas’s seated ball marches are an excellent option that still build core strength and balance. This drill emphasizes control and stability, making it an excellent warm-up or low-impact workout ...

We’ve found the top four seated ab exercises to target your core and sculpt those abs ... exercise with or without dumbbells ...

But actually, your core drives every one of these exercises, especially from a seated or kneeling position. Each exercise teaches balance, stability, and control as you move from right to left ...

Want to work your abs with a yoga ball? We turned to an expert to walk you through the best moves to do—and how to do them.