YOGA BALL WITH PUMPThe unstable surface of a yoga ball forces your body to make constant micro adjustments to maintain balance, which engages and strengthens deep stabilizing muscles that might be missed with traditional, flat surface exercises. Enhanced Core Strength: The primary benefit, it activates muscles in your abdomen, lower back, obliques, and pelvic floor. Research shows that exercises on a stability ball can lead to greater activation of certain abdominal