5 min read This story is part of This Is 50+ —an in-depth look at guys who are thriving later in life, with tips and tricks on how all of us can future-proof our bodies. F OR FAR TOO long, lots of guys over 50 were likely to think the only fitness activities they could handle would be a light jog or a round of golf. If they were really ambitious, maybe a racquet sport like pickleball , or long walks around the neighborhood or out in nature. But pumping iron? Making muscle and strength gains long after half a century? Not feasible. That’s a young man’s game. Nothing could be further from the truth. There are countless examples of men in their 50s—and even older!—smashing stereotypes about aging in fields like fitness training and powerlifting , proving that numbers only matter as much as you let them. Thankfully, more people are coming to see the light. Many of my clients are over 50, hitting the weights hard and building serious muscle.…