India, April 11 -- A t 50+, Malaika Arora continues to raise the bar on fitness, not just with her toned physique but with workouts that feel both aspirational and doable. Her latest Instagram post does exactly that, breaking down a stability ball routine into three simple progressions - making it easy for beginners to start, and for seasoned gym-goers to level up. A stability ball is a large, inflatable exercise ball designed to improve balance, core strength and posture. Because the surface is unstable, even basic movements force multiple muscle groups, especially the core, to engage, making workouts more effective without adding heavy weights....