What You Need: A stability ball and a mat. This plank-focused routine uses the stability ball to activate deep core muscles, helping improve stability and strengthen the core. Stability Ball Plank ...

Transition to a plank. We're going to do this with our ... 15-second break, we're going to move on to bird dog on the stability ball. You may have seen this one before on the floor, but a little ...

your muscles work tirelessly to maintain stability, leading to increased endurance and a toned midsection The side plank specifically hones in on the oblique muscles, which play a crucial role in ...