What’s the best way to build strong abdominal muscles? With sit-ups, right? Well, only up to a point. Performing a variety of abs exercises using solely your bodyweight can help improve your core strength, but to take it to the next level, eventually you need to intensify your workouts by adding resistance—just as with other muscle groups.
Exercising with a medicine ball is one of the most effective ways to add variety and introduce external load to your abs workouts because you can hug them into your chest, press them into the floor and shift them around your body in a way that isn’t possible with a cumbersome dumbbell or kettlebell.
