After age 40, your body enters a phase called sarcopenia—the involuntary loss of muscle mass. Shockingly, you can lose up to 3-5% of your muscle per decade. This isn’t just about aesthetics; on the contrary, muscle is your metabolic engine. The less muscle you have, the slower your metabolism runs, and the harder it is to manage blood sugar and weight. The solution isn’t more cardio; it’s lifting heavy things. You need to signal to your body that muscle is still necessary for survival. These five compound movements offer the highest ROI for your time.
