Whether a fall breaks a bone depends on two things: the force of the fall, and the strength of the bone. Nearly all fall prevention advice addresses only the first one.
This page is about the second variable — and about the largest missed opportunity in this entire subject, which is what happens, or fails to happen, after a bone actually breaks.
The Two-Variable Problem
Most falls do not cause a fracture. Most people who fall get up, feel foolish, and carry on. The ones who end up in hospital are those where the force of the impact exceeded what the bone could take.
That means fracture risk is a product of two separate things:
- How often you fall, and how hard — governed by strength, balance, medication, vision, footwear, and environment.
- How much force your bones can absorb — governed by bone density and bone quality.
Two people can have identical fall risk and completely different fracture risk. Someone with strong bones who falls frequently may never break anything. Someone with severe osteoporosis who falls rarely may fracture on the first one.
The practical implication is that reducing falls and strengthening bone are not alternatives. Doing one and ignoring the other leaves half the equation untouched.
What a Fragility Fracture Is
The World Health Organization defines a fragility fracture as one caused by an injury that would not fracture a normal bone — in plain terms, a fall from standing height or less, or no identifiable trauma at all.
That definition carries a diagnosis inside it. If a fall from your own height broke a bone, the bone was already weak. The fall revealed the problem rather than creating it.
The sites involved are consistent: hip, spine, wrist, and upper arm. Wrist fractures often come first, because the hand goes out to break the fall — which makes a broken wrist in an older adult a warning about the hip, not just an inconvenience.
Vertebral fractures are the most common osteoporotic fracture of all, and the most easily missed. Many happen without a fall at all — from bending, lifting, or a heavy step. They are frequently written off as ordinary back pain and never investigated.
Why Hip Fractures Are Different
The outcome data on hip fracture is sobering, and it is the reason this pillar exists rather than being folded into a general injury page.
Data from the UK National Hip Fracture Database indicates roughly one in three patients dies within a year of a hip fracture. Estimates across other countries generally land in the range of 16% to 30% at one year.
Among those who survive, up to half of previously independent older adults never regain their pre-fracture level of independence.
Vertebral fractures carry their own long shadow — around 40% of patients experience chronic disability afterward, and survival at five years is substantially reduced compared with twelve months.
These numbers are not here to frighten anyone. They are here because they explain why the next section matters so much.
The Gap Nobody Talks About
Here is the finding that should be better known than it is.
A fragility fracture is the clearest possible signal that a person has osteoporosis. Clinical guidelines are unambiguous: after a hip or vertebral fragility fracture, treatment should begin — in high-risk cases, without even waiting for a bone density scan.
That is not what happens.
One large cohort study of nearly 26,000 people who had suffered a fragility fracture found that bone density testing afterward was carried out in about 13% of women and under 5% of men. Osteoporosis treatment was started in roughly 30% of women and 10% of men.
Reviews across Europe have estimated an average treatment gap around 71% among women at high fracture risk, with estimates across countries and populations ranging from roughly 39% to 95%. Systematic reviews of hip fracture care have found bone density assessment and osteoporosis treatment initiation frequently absent from post-surgical protocols entirely.
So the practical situation is this. The system is generally excellent at fixing the broken bone. It is poor at addressing why the bone broke. And the person most likely to close that gap is the patient or the family member who asks.
If you or someone you care for has broken a bone from a fall at standing height, the question to ask is: “Should I be assessed and treated for osteoporosis?” Statistically, nobody may raise it otherwise.
Some hospitals run a Fracture Liaison Service specifically to close this gap. Asking whether one exists locally is a reasonable question.
What Builds Bone
Bone is living tissue that responds to load. It thickens where it is stressed and thins where it is not — which is why the strategy that protects bone and the strategy that prevents falls turn out to be substantially the same strategy.
Weight-bearing and resistance exercise is the intervention with the most direct effect on bone that a person controls themselves. Bone responds to impact and to muscular pull. Walking, stair climbing, and — particularly — progressive resistance training all signal bone to maintain itself.
Swimming and cycling are excellent for cardiovascular health but do very little for bone density, because the load is removed.
Protein and overall nutrition matter more than most people assume. Bone is roughly half protein by volume. Older adults frequently under-consume it.
Calcium and vitamin D are the supplements most associated with this subject, and the evidence deserves an honest summary. Cochrane analysis found that vitamin D did not reduce the rate of falls overall — though it may help in people who were deficient before treatment. For fracture prevention specifically, adequate calcium and vitamin D are considered foundational, but they are the floor rather than the treatment. Supplementation is not a substitute for osteoporosis medication in someone who needs it.
Prescription treatment exists, it works, and it is dramatically underused — see the section above. That conversation belongs with a doctor.
The Trap
There is a predictable and damaging response to learning about fracture risk, and it deserves naming directly.
A person becomes frightened of breaking a hip. So they stop doing things that might cause a fall. They stop walking outdoors, avoid stairs, stop lifting anything heavy, and reduce their world to the safest possible radius.
Every one of those choices removes load from bone. Bone responds to reduced load by thinning. Muscle, unused, weakens. Balance, unpractised, declines.
Twelve months later the person has weaker bones, weaker legs, and worse balance than when they started — which means they are both more likely to fall and more likely to break something when they do. The strategy adopted out of fear of fracture actively increased fracture risk.
This is the site’s central point in its sharpest form. Bone requires being used. The route to a hip that does not break is a hip that is loaded, supported by strong muscle, and attached to someone who has practised staying upright — not a hip that has been protected into fragility.
What to Do With This
- If you have ever broken a bone from a standing-height fall, ask about osteoporosis assessment. This is the single highest-value action on this page, and the data says it is unlikely to be offered unprompted.
- Ask about a bone density scan (DEXA) if you are over 65, or younger with risk factors — long-term steroid use, smoking, low body weight, early menopause, or a family history of hip fracture.
- Add resistance training, not just walking. Bone responds to load, and progressive strength work is what provides it.
- Check protein intake. It is the most commonly overlooked nutritional factor in bone health.
- Ask whether your vitamin D level has been tested rather than supplementing blindly.
- Take unexplained back pain seriously, particularly sudden pain after bending or lifting. Vertebral fractures are routinely missed.
- Ask whether your hospital has a Fracture Liaison Service if a fracture has already happened.
- Do not respond to fracture risk by reducing activity. It is the one response guaranteed to make the underlying problem worse.
Topics in This Section
- Fragility fracture: what it means and why it is a diagnosis
- Bone density scans explained
- Hip fracture: recovery, rehabilitation, and what to expect
- Wrist fractures as an early warning
- Vertebral fractures and the back pain that gets dismissed
- Resistance training for bone density
- Calcium, vitamin D, and protein: what the evidence supports
- Fracture Liaison Services and secondary prevention
Related Guides
- Why People Fall
- Balance & Strength Training — the same work that builds bone
- Medications That Increase Fall Risk
- Making Your Home Safe
When to Speak to a Doctor
Make an appointment if you have broken any bone from a fall at standing height, have sudden or unexplained back pain, have lost height, have developed a stooped upper back, take long-term steroids, or have a parent who fractured a hip.
Seek care immediately after a fall if you cannot bear weight, have obvious deformity or severe pain in a limb, hit your head, take a blood thinner, or have sudden severe back pain following a fall or a lift.
Sources
- A Scoping Review of Barriers to Osteoporosis Treatment and Fragility Fracture Prevention in Adults Aged 50 and Above in the United Kingdom. PMC
- Bone mineral density measurement and osteoporosis treatment after a fragility fracture in older adults: regional variation and determinants of use in Quebec. PMC
- Osteoporosis Treatment Gap — A Systematic Literature Review. PMC
- Time Is Bone: Missed Opportunities for Secondary Prevention After a Hip Fracture. Journal of Clinical Medicine, 2025. JCM
- Gillespie LD, Robertson MC, Gillespie WJ, et al. Interventions for preventing falls in older people living in the community. Cochrane Database of Systematic Reviews, 2012. Cochrane Library
Senior Health News publishes free educational guides on fall prevention, home safety, and healthy aging. This page is for general information only and is not medical advice. It does not replace evaluation by a qualified healthcare professional, and no product is sold or recommended on this site.
Last reviewed: September 8, 2026.