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STILL IN MOTION
Because slowing down isn’t in the plan.
THIS WEEK'S STORY
A few years ago, a friend of mine — fit, active, not someone you’d ever describe as fragile — slipped on wet pavement. Ordinary fall. The kind most people shake off.
She fractured her wrist. Then a follow-up scan revealed something neither of us expected: significant bone loss. Osteopenia in several sites, borderline osteoporosis in one.
She was 64. She hiked. She did yoga. She walked every day.
What she didn’t do — and hadn’t done for most of her adult life — was load her skeleton with meaningful resistance. And as it turned out, her bones had quietly been registering that absence for decades.
Bone responds to mechanical load. That’s not a wellness opinion — it’s the basic biology of how bone tissue is built and maintained. When you apply force to bone through resistance training, you trigger osteoblast activity: the process by which new bone is laid down. When you don’t, bone remodeling tilts toward resorption, and density quietly erodes.
Walking doesn’t load bone adequately. Neither does yoga, swimming, or cycling. They’re valuable for many reasons. But for bone density, the research is unambiguous: you need progressive resistance training, and you need it consistently.
THE MAIN MESSAGE
After 60, bone density becomes one of the most consequential health variables in your life. A hip fracture in an older adult carries a one-year mortality rate of roughly 20 to 30 percent — not because of the fracture itself, but because of the cascade of complications, immobility, and systemic stress that follows.
This is not a scare tactic. It’s the reason bone density deserves the same deliberate attention you give to strength, mobility, and cardiovascular health.
What actually stimulates bone formation:
-- Mechanical loading — forces applied to bone through resistance training or impact activity signal the body to build more bone tissue. The greater the load (within safe limits), the stronger the signal.
-- Multi-directional stress — bones respond to forces from multiple angles. This is why free-weight movements — squats, deadlifts, carries, pressing — are more effective for bone density than machines that isolate single planes.
-- Progressive overload — the load must increase over time to continue stimulating adaptation. The same light weights you lifted five years ago are maintaining at best.
-- Impact — for those who can tolerate it, activities like brisk walking on varied terrain, stair climbing, and light jumping add impact forces that complement resistance training for bone health.
-- Vitamin D and calcium — these are the raw materials, not the signal. You need both, but supplementing them without mechanical loading is like stocking a construction yard without sending the workers.
Two resistance training sessions per week that include loaded lower-body and spinal loading exercises is the minimum effective dose for bone density maintenance after 60. Three sessions is meaningfully better.
If you haven’t had a bone density scan (DEXA) in the past few years, it’s worth a conversation with your doctor. It’s a simple, low-radiation scan that tells you exactly where you stand. You can’t manage what you haven’t measured.
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Stretch of the Week: Side-Lying Quad and Hip Flexor Stretch
Why: Hip flexor flexibility is the gating factor for safe, full-range hip extension during loaded exercises like deadlifts and split squats. Tight hip flexors force anterior pelvic tilt under load, which compresses the lumbar spine — the opposite of the spinal loading you want for bone density.
How to do it:
Lie on your side on a mat, hips stacked
Bend your top knee and hold the ankle or top of the foot behind you
Gently pull the heel toward your glutes while keeping your hips stacked and your lower back neutral
Do not let the pelvis roll back — the stretch should be felt along the front of the thigh, not the lower back
Hold 35–45 seconds, then roll over and repeat on the other side
2 rounds each side
Why it matters: The side-lying position prevents the compensatory anterior pelvic tilt that makes the standing version of this stretch less effective for most people. It also reduces spinal loading during the stretch itself, making it a comfortable daily option.
Strength Move of the Week: Dumbbell Sumo Deadlift
Purpose: A wide-stance deadlift variation that loads the hips, spine, and lower body through a full range of motion — directly stimulating bone density at the sites most critical for fall prevention: the hip and lumbar spine.
How to do it:
Stand with feet wider than shoulder-width, toes turned out 30–45 degrees
Hold a dumbbell vertically with both hands, arms hanging between your legs
Hinge at the hips and bend the knees — lower the dumbbell toward the floor while keeping your chest up and back flat
Drive through both heels and squeeze the glutes to return to standing
The movement should feel like a combination of a squat and a deadlift — that’s correct
8–12 reps, 3 sets
Key benefit: The sumo stance is more forgiving on the lower back than a conventional deadlift while still producing the compressive and tensile forces on the hip and spinal bones that drive bone formation. It also engages the inner thigh and hip abductors, which are important for pelvic stability during walking and stair climbing.
Load progression: Once a single dumbbell becomes too light, move to two dumbbells held at your sides, or progress to a kettlebell for a more comfortable grip at heavier loads.
Suggested Equipment: DEXA Scan (Bone Density Test)
Best for:
Establishing a baseline bone density measurement at any age over 50
Identifying high-risk sites before an injury reveals them
Tracking the effectiveness of your resistance training on bone health over time
Informing conversations with your doctor about vitamin D, calcium, and medication options if indicated
Why this matters: A DEXA scan is not a piece of gym equipment, but it is the most useful tool available for understanding your bone health picture. It takes about fifteen minutes, involves minimal radiation, and produces a T-score that tells you exactly where you stand relative to peak bone mass. Many insurance plans cover it for women over 65 and men over 70; some cover it earlier based on risk factors. Worth checking.
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THE TAKEAWAY
Bone density is not a passive thing that happens to you. It’s a biological response to the mechanical signals you give your skeleton, consistently, over years. Resistance training is the most effective non-pharmaceutical intervention available for maintaining and improving bone density after 60.
Your bones are listening. Make sure the signal you’re sending is worth hearing.
YOUR TURN
Have you had a bone density scan? Did the results surprise you? And do you think about bone health when you’re choosing what to do in the gym?
This is one of the most underconversed topics in the active-adult world. I want to know if it’s on your radar. Your answers shape Issue #31.
Still moving forward,
— The SIM60 Team
simsixty.com · Educational content only. Not medical advice.
