Strength Training, Strong Bones & the Secret to Reversing Osteoporosis

As women, we often don’t think about our bones until they start to hurt—or worse, break. But by then, it can be too late. Osteoporosis is often called the “silent thief,” gradually robbing bone density over time. But here’s the good news: you can stop and even reverse bone loss naturally—with strength training as your greatest ally.

Why Strength Training Is Essential for Bone Health

Muscles and bones are a partnership. Every time you lift something heavy, do a squat, or push against resistance, your muscles pull on your bones—and that stress sends a powerful signal: “Build back stronger.”

Strength training stimulates osteoblasts (the bone-building cells) to lay down new bone tissue. This isn’t just theory. Numerous studies have shown that weight-bearing and resistance exercise increases bone mineral density, especially in postmenopausal women where oestrogen decline accelerates bone loss.

Even more inspiring, in Michael Mosley’s recent series on “How to Age Better”, strength training was featured as a cornerstone strategy for reversing age-related muscle and bone decline. In the series, older adults who adopted strength-based routines not only improved balance and posture but saw measurable gains in bone health and independence.

“It’s never too late,” Michael Mosley said. “Even starting in your 60s, 70s or beyond, strength training can make you biologically younger.”

Bones: More Than Just Structure – The Hidden Blood Factory

Here’s something not many people talk about: your bones are vital to red blood cell production.

Inside your bones lives bone marrow, where red blood cells are born. These cells carry oxygen, energise your muscles and brain, and support your immune system. If your bones weaken, your blood production may too. This is why people with advanced osteoporosis often suffer from fatigue—they’re not just structurally weaker, they may be cellularly underpowered.

Exercise, especially resistance training, boosts circulation to bone marrow, improving nutrient delivery and stimulating the release of hematopoietic stem cells—the precursors to red blood cells. Movement isn’t just good for bones, it helps wake up the inner engine that keeps our blood, and energy, flowing.

Beyond Calcium: What Bones Really Need

We’ve been told for decades to take calcium for strong bones—but calcium alone isn’t the answer. Without the mechanical signals from movement and strength training, the body doesn’t know where to send that calcium. It’s the muscle-generated stress that tells your body, “We need denser, stronger bones—right here.”

Your bones also need:

• Vitamin D for calcium absorption
• Vitamin K2 to help direct calcium to the bones and away from arteries
• Magnesium and collagen for flexibility and strength
• Adequate protein intake to support both bone matrix and muscle mass

The Muscle–Bone–Hormone–Energy Loop

Midlife women in particular benefit from building muscle—not just for vanity or weight control, but because it creates a positive loop:

• Strong muscles stimulate bone growth
• Healthier bones support red blood cell production
• More oxygen and nutrients = better energy and resilience
• And all of this protects your hormones, your joints, and your independence as you age

How to Get Started—Safely

If you’re new to strength training or have low bone density:

• Start slow with bodyweight movements like squats, wall push-ups, and resistance bands
• Progress to free weights, kettlebells, or machines under guidance
• Focus on compound movements—those that work multiple joints (squats, lunges, rows, deadlifts)
• Aim for 2–3 30 minute sessions per week, allowing rest and recovery
• Balance with walking, mobility, and gentle cardio for heart and circulation

Strength is a signal. It tells your body you’re still in the game. And the body responds.

I’m Here to Help

Your bones aren’t a static frame—they’re a living, breathing part of your body. And like any living tissue, they respond to stimulus. Through strength training, smart nutrition, and movement, you can protect (and even rebuild) bone health naturally.

Michael Mosley’s recent spotlight on strength training reflects what many of us in natural health have long known: movement is medicine, and muscle is one of the most powerful tools we have to age better. Finally people are listening!

Let’s reframe the narrative: Midlife is not the beginning of the end. Midlife is a time to regain your power!

If you’d like to sign up to my strength training sessions on this website then I have a 50% discount – click here. These sessions are fantastic for building muscle and target multiple muscle groups and you now know how important this is for your bone health and even your blood. Our bodies are extraordinary. Don’t believe this narrative that our bodies are failing. They’re not. You have the power to change.