Performing the: A Step-by-Step Tutorial Roll Ball Iliacus - Abdominal Region
Place a small exercise ball (or a similar object) between your knees, ensuring it's secure but not held too tightly.
Slowly lift your feet off the ground, bringing your knees towards your chest while keeping the ball in place, this will engage your abdominal muscles and iliacus.
Hold this position for a few seconds, ensuring your abdominal muscles are engaged and you're not straining your neck or back.
Slowly lower your feet back to the ground, releasing the tension in your abdominal muscles, then repeat the exercise for your desired number of repetitions.