Breaking the Fracture Chain — Why Your First Fracture Matters Most

• How one fracture raises the risk of the next by 2 to 5 times
• Why fractures cascade: the mechanics behind the "domino effect"
• The critical 2-year window after your first fracture
• What Fracture Liaison Services are and how they can help
• What you can do right now to break the chain

Imagine a row of dominoes standing on a table. When the first one tips, it knocks into the second, which knocks into the third, and so on. Osteoporotic fractures can behave in much the same way.

The numbers:

• If you have one vertebral (spinal) fracture, your risk of another vertebral fracture is approximately 5 times higher than someone without any fractures
• If you have two or more vertebral fractures, the risk of yet another increases to nearly 12 times higher
• A vertebral fracture also increases your risk of hip fracture by about 2 times
• A hip fracture increases your risk of a second hip fracture by about 2 times

These patterns are well documented and affect millions of people worldwide.

The domino effect has clear physical and biological causes:

Mechanical overload

When one vertebra collapses, it changes how forces pass through your spine:

• The vertebrae above and below the collapsed one must carry extra load
• If those neighboring vertebrae are also weakened by osteoporosis, they may fracture under the extra stress
• This can set off a chain of fractures moving up or down the spine

Altered posture (kyphosis)

Each vertebral fracture causes a small loss of height and a slight increase in forward curvature of the spine:

• Over time, multiple fractures create a noticeable stooped posture (kyphosis)
• This changed posture shifts your center of gravity forward
• A forward-shifted center of gravity increases your risk of falling, and falls are the leading cause of fractures

The downward spiral

Fractures lead to pain, which leads to less activity, which leads to muscle weakness and further bone loss, which leads to more fractures. So the fracture cascade is a spiral of declining function as well as a chain of broken bones:

• Fracture causes pain and limits movement
• Reduced activity weakens muscles and speeds up bone loss
• Weaker muscles and bones increase fall risk and fracture risk
• Another fracture restarts the cycle

Research has shown that the risk of a second fracture is highest in the first 1 to 2 years after the first fracture. This period is sometimes called the window of imminent fracture risk.

During this window:

• The risk of another vertebral fracture is roughly 5 times higher than normal, and in the first year after a fracture the risk of any major fracture is about 2.5 to 3 times the usual rate for your age
• The risk peaks in the first few months and gradually decreases
• This is why starting treatment quickly after a fracture is so important

Think of it as a fire. The first fracture lights the match, and the first 2 years are when the fire is most likely to spread. Treatment (medication, rehabilitation, fall prevention) is how you put it out.

The first 2 years after a fracture are the highest-risk period for another fracture. Acting quickly can change what happens next.

Not all vertebral fractures are dramatic events. About two-thirds of vertebral fractures cause little or no noticeable pain. They happen gradually as weakened vertebrae slowly compress under everyday loads such as sitting, bending, or even coughing.

These "silent fractures" are sometimes found by chance on a chest X-ray or scan done for another reason. Being painless does not make them harmless. They still:

• Increase the risk of future fractures
• Add to height loss and kyphosis
• Start the cascade just like painful fractures

If your doctor mentions a vertebral fracture found by chance, take it seriously. It is the same domino, whether or not it hurt when it fell.

As fractures add up, their effect on daily life grows:

• Chronic back pain: from compressed or deformed vertebrae
• Height loss: sometimes several inches/centimeters over years
• Breathing difficulties: severe kyphosis can compress the lungs
• Digestive problems: forward curvature can crowd the abdomen
• Reduced mobility and independence: difficulty walking, dressing, cooking
• Emotional impact: depression, anxiety, isolation, loss of confidence
• Increased mortality: each hip fracture carries approximately a 20% mortality risk within one year

Preventing fractures protects your independence, your dignity, and your quality of life.

One of the most frustrating problems in osteoporosis care is the treatment gap: many people who have a fracture never receive osteoporosis treatment. The International Osteoporosis Foundation estimates that as many as 80% of people who break a bone because of osteoporosis are never assessed or treated for it, though the figure varies widely between countries and hospitals.

Fracture Liaison Services (FLS) are programs designed to close this gap. An FLS:

• Identifies patients who have had a fragility fracture
• Assesses their bone health (bone density testing, risk assessment)
• Starts appropriate treatment (medication, calcium, vitamin D)
• Coordinates follow-up so patients stay on treatment
• Educates patients about their condition and prevention

The IOF's Capture the Fracture initiative promotes FLS programs worldwide. If you have had a fracture, ask your hospital or doctor whether there is an FLS program available to you.

If there is no FLS in your area, you can speak up for yourself:

• Ask your doctor about bone density testing after any fracture
• Ask for a referral to an endocrinologist or rheumatologist who specializes in osteoporosis
• Make sure osteoporosis treatment is part of your fracture recovery plan

The fracture cascade is not inevitable. It can be slowed, interrupted, and stopped. Here is how:

1. Insist on bone assessment after any fragility fracture

A fragility fracture is a fracture that happens from a fall from standing height or less, or even without a fall. If this has happened to you, ask firmly for a bone density test and osteoporosis evaluation.

2. Start treatment promptly

Do not wait months to begin osteoporosis medication. For patients who have already fractured, guidelines recommend starting treatment as soon as possible, often while still recovering from the fracture itself.

3. Discuss the right treatment for your risk level

If you are at very high risk (recent fracture, multiple fractures, very low bone density), it is especially important to talk with your doctor about which treatment is most appropriate for you. The best approach varies from person to person, so ask your doctor what suits your situation.

4. Prevent falls

Falls are the direct cause of most non-vertebral fractures. Practical steps include:

• Balance and strength exercises
• Home safety changes (remove trip hazards, improve lighting, install grab bars)
• Vision checks
• Medication review (some medications cause dizziness)

5. Stay on your medication

Stopping osteoporosis treatment too early is one of the most common reasons the cascade continues. If you have concerns about your treatment, talk them through with your doctor rather than stopping on your own.

6. Get adequate calcium and vitamin D

Your bones need these to rebuild. Your doctor can advise on the right amounts.

• If you have had a fracture, ask your doctor: "Have I been tested for osteoporosis? Am I on the right treatment?"
• Take your medication as prescribed. Every dose matters, especially in the first 2 years
• Check your home for fall hazards: loose rugs, poor lighting, slippery floors
• Start gentle exercise. Even short daily walks and simple balance exercises help
• Tell your family. Osteoporosis partly runs in families, and your relatives may benefit from screening

Q: I had a fracture years ago but was never tested for osteoporosis. Is it too late? A: It is never too late. Ask your doctor about a DEXA scan and fracture risk assessment. Even years after a fracture, treatment can reduce your risk of future fractures.

Q: Can the fracture cascade be reversed? A: You cannot undo fractures that have already happened, but you can stop the cascade from continuing. Medication, exercise, fall prevention, and good nutrition work together to protect you from further fractures.

Q: My fracture did not hurt much. Does it still count? A: Yes. Silent (painless) vertebral fractures carry the same risk of future fractures as painful ones. If a fracture is found on imaging, take it seriously and discuss treatment with your doctor.

Q: I am already on osteoporosis medication and still had a fracture. What now? A: This may mean your current treatment is not giving enough protection. Your doctor may recommend adjusting your treatment plan. A fracture while on treatment is a signal to reassess, not to give up.

Q: Does everyone who has one fracture get more? A: No. Having one fracture increases the risk, but it does not guarantee more will follow, especially if you get prompt treatment and take steps to prevent falls. The fracture cascade can be stopped.

• Kanis JA, et al. European Guidance for the Diagnosis and Management of Osteoporosis in Postmenopausal Women. Osteoporos Int. 2019;30(1):3-44.
• Lindsay R, et al. Risk of New Vertebral Fracture in the Year Following a Fracture. JAMA. 2001;285(3):320-323.
• Ross PD, et al. Pre-existing fractures and bone mass predict vertebral fracture incidence in women. Ann Intern Med. 1991;114(11):919-923.
• Klotzbuecher CM, et al. Patients with prior fractures have an increased risk of future fractures: a summary of the literature and statistical synthesis. J Bone Miner Res. 2000;15(4):721-739.
• International Osteoporosis Foundation (IOF). Capture the Fracture: A Global Campaign to Break the Fragility Fracture Cycle. 2023.
• Johansson H, et al. Imminent Risk of Fracture After Fracture. Osteoporos Int. 2017;28(3):775-780.
• American Society for Bone and Mineral Research (ASBMR). Secondary Fracture Prevention: Consensus Clinical Recommendations. J Bone Miner Res. 2020;35(1):36-52.