Get A Stronger Core After 40 & Feel Like A New You in 2025 by Yogafter40 Building a stronger core after 40 is a fantastic goal, and with the right approach, you can feel rejuvenated and empowered.
Scientists have discovered a hidden fibrous sheath beneath the belly button that explains why navels stay concave for life.
When done right, Russian twists strengthen your entire core, improve stability, and define your midsection without risking injury.
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