If you’re over 40 and ready to tighten your midsection, the secret isn’t endless crunches — it’s consistency with simple, proven moves. These five classic exercises strengthen your core, improve posture, and help burn belly fat naturally. 1️⃣ Brisk Walking Walk briskly for 20–30 minutes at least five days a week. Walking boosts circulation, supports fat metabolism, and gently activates your core — it’s one of the most underrated fat-burning tools for women over 40. 2️⃣ Standi