Losing Spine Flexibility With Age? Why It Happens and What We Can Do About It

Key Takeaways

• Some loss of spine flexibility can occur naturally with age as the discs, facet joints, ligaments, and surrounding tissues gradually change.
• A stiff spine is not always caused by ageing. Lifestyle factors, previous injuries, herniated discs, muscle imbalance, and inflammatory conditions can also affect spinal mobility.
• Persistent stiffness accompanied by radiating pain, numbness, weakness, balance problems or changes in bladder or bowel control should be medically assessed.
• Treatment depends on the underlying cause and may include activity modification, physical therapy, medication, injections or, in selected cases, surgery.

Introduction

As we get older, it is common to notice that bending, twisting or getting up after sitting for a while feels less easy than it once did. This gradual loss of spine flexibility can occur as the discs, joints, ligaments and surrounding tissues change with age.

However, reduced spinal mobility is not always a cause for concern, and ageing alone does not necessarily lead to significant pain or persistent stiffness.

At Achieve Spine And Orthopaedic Centre, we assess whether these changes are caused by normal ageing processes, or whether there is an underlying spinal condition. Making that distinction helps us determine whether simple lifestyle measures are sufficient or whether further treatment may be needed.

Why Does the Spine Become Less Flexible With Age?

1. Disc Degeneration

Intervertebral disc degeneration is a common trigger of reduced passive spinal mobility¹. As we age, the discs gradually lose water content and elasticity, which can affect how well they absorb load and allow movement between the vertebrae. Over time, this may contribute to greater stiffness and a reduced range of motion in the affected spinal segments.

2. Osteoarthritis

Facet joints connect the vertebrae and help guide bending and rotation of the spine. Like other joints in the body, they can gradually develop cartilage wear and osteoarthritis with age. As the joint space narrows and osteophytes, or small bony growths, form around the joint, movement may become less smooth and more restricted. These changes can contribute to reduced range of motion and affect your overall spinal joint health.

3. Stiffening of Ligaments and Other Tissues

Ligaments and connective tissues around the spine can also change with age. For example, the ligamentum flavum, which runs along the spinal canal, may become more fibrotic and thickened due to ageing and repeated mechanical stress².

These changes can make the spinal segment less flexible, particularly when they occur alongside disc degeneration or facet joint changes. If the ligament thickens significantly, it can also reduce the available space within the spinal canal and contribute to spinal stenosis.

What Else Causes Loss of Spinal Mobility

Ageing is not the only reason your back or neck may feel stiff. Other contributors include:

• Lifestyle factors: Prolonged sitting, low activity levels, and repeatedly staying in the same posture can lead to muscle tightness and reduced mobility over time.
• Herniated or bulging discs: Disc material can irritate or compress nearby nerves, causing pain that makes certain movements feel restricted.
• Muscle imbalance: Weakness or tightness in the core, back, hips, or surrounding muscles can alter movement patterns and make the spine feel less mobile.
• Previous injuries: Sprains, fractures or other spinal injuries can lead to protective muscle guarding, scar tissue, or altered movement.
• Ankylosing spondylitis: This inflammatory condition can cause persistent back stiffness and, over time, may lead to progressive fusion of parts of the spine.

Signs You Should Seek Medical Help for Loss of Spinal Flexibility

Occasional stiffness after waking or sitting for a long period is common. Assessment by a spine specialist becomes more important when stiffness is persistent, progressively worsening, or begins to interfere with everyday activities.

You should also seek medical attention if stiffness occurs with:

• Pain travelling down an arm or leg
• Numbness or tingling
• Progressive muscle weakness
• Difficulty walking or standing for usual distances
• Loss of hand coordination and balance problems
• Changes in bladder or bowel control, which require urgent medical assessment

These symptoms may suggest nerve or spinal cord involvement rather than simple age-related stiffness.

Our Approach to Persistent Spinal Stiffness

At Achieve Spine And Orthopaedic Centre, our first aim is to identify what is restricting movement rather than treating a loss of spinal flexibility as a natural result of ageing.

1. Assessment and Imaging

A clinical examination may include checking:

• Range of movement
• Muscle strength
• Sensation and reflexes
• Gait and balance
• Which positions reproduce or relieve symptoms

If we suspect a structural problem, imaging may help clarify the cause. X-rays can show alignment, arthritis, disc-space narrowing, and instability, while MRI provides more detail of the discs, nerves, spinal canal and spinal cord.

Importantly, degenerative changes in imaging are common as people age. We therefore look for findings that match your symptoms and examination rather than treating the scan alone.

2. Starting With Conservative, Non-Surgical Treatment

For many patients, treatment begins conservatively. Depending on the cause and severity of symptoms, this may include:

• Activity modification
• Physical therapy to improve mobility, strength and movement control
• Medication for pain or inflammation
• Targeted spinal injections in selected patients to reduce inflammation around an irritated nerve or joint

Regular movement also matters. Gentle stretching, walking, and exercises appropriate for your condition can help maintain spine flexibility without forcing the spine beyond a comfortable range.

3. When Surgery May Be Considered

We may consider surgery if your symptoms and loss of spinal flexibility persist after conservative treatment, or when there is substantial nerve or spinal cord compression, progressive weakness, or spinal instability.

Decompression for Nerve Compression

If stiffness is occurring alongside spinal stenosis or a prolapsed disc, spinal decompression surgery may be used to relieve pressure on the affected nerves. The aim is to address the source of pain or neurological symptoms while preserving as much normal spinal movement as possible.

Spinal Fusion for Instability

If spinal instability is contributing to pain and restricted movement, spinal fusion may be considered to stabilise the affected segment. Because the fused vertebrae no longer move independently, some flexibility is permanently lost at that level.

For this reason, our doctors consider motion preservation as part of surgical planning. This means weighing how much of the affected segment needs to be decompressed or stabilised against how much healthy joint, bone, and soft tissue can reasonably be preserved.

Where suitable, minimally invasive spine surgery or endoscopic techniques may be used to treat the underlying problem with less disruption to surrounding muscles and soft tissues. However, the choice of procedure still depends on the condition, anatomy, and degree of instability present.

Conclusion

Some loss of spinal flexibility can occur naturally with age, but persistent stiffness, worsening pain or neurological symptoms should not simply be accepted as part of getting older. The key is understanding whether the change is coming from normal age-related changes or a condition affecting the discs, joints, nerves or stability of the spine.

At Achieve Spine And Orthopaedic Centre, we assess the cause of restricted movement before recommending treatment. Where possible, we begin with conservative options and aim to preserve normal spinal motion. If surgery is necessary, we may consider minimally invasive and endoscopic techniques for suitable patients to address the underlying problem while limiting disruption to healthy surrounding structures.

Book an appointment with us today.

References:

1. Liebsch, C., & Wilke, H. (2022). Even mild intervertebral disc degeneration reduces the flexibility of the thoracic spine: an experimental study on 95 human specimens. The Spine Journal, 22(11), 1913–1921. https://doi.org/10.1016/j.spinee.2022.06.010 

2. Sun, C., Zhang, H., Wang, X., & Liu, X. (2020). Ligamentum flavum fibrosis and hypertrophy: Molecular pathways, cellular mechanisms, and future directions. FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 34(8), 9854–9868. https://doi.org/10.1096/fj.202000635R