Lower Back Disc Issues, What Does That Mean?
If you’ve been told you have a disc bulge, disc degeneration, or “wear and tear” in your lower back, it can feel unsettling. Gaining a clearer understanding of what these usually mean and how many people move forward can help restore a sense of calm, safety, and confidence.
Back scans often sound scarier than they are.
Research consistently shows that changes like disc bulges, thinning discs, and arthritic features are very common, even in people who have little or no pain. In other words, seeing something on a scan doesn’t automatically explain why you hurt — or mean your back is failing. An MRI often shows the history of how your spine has adapted to load and life over time — not necessarily a current injury or active source of pain.

At the same time, your pain is real. The goal isn’t to dismiss symptoms, but to understand them more clearly.
💬 Note: While most low back pain improves without invasive treatment, there are certain symptoms that may indicate a more serious issue and require medical attention. These include loss of bowel or bladder control, progressive weakness, unrelenting or worsening night pain, significant trauma, or severe pain accompanied by numbness, tingling, or shooting pain down the leg. If any of these are present, or you have any concerns, it’s a good idea to check in with your GP.
What is a disc?
Between each spinal bone sits a disc — a tough outer ring wrapped around a gel-like centre. Rather than being a rigid “shock absorber,” a disc behaves more like a hydrated, living cushion that adapts to load, movement, and time.

Discs are designed to:
  • distribute pressure
  • allow movement
  • change across a lifetime
Discs respond to how we live, work, move, and recover.
3d animation of the lumbar spine and discs (source)
What does “disc degeneration” mean?
The word degeneration can sound alarming, but medically it simply refers to change over time. As we age — or after repeated strain — discs commonly lose some hydration, become a little thinner, and stiffen slightly. These changes are normal, much like wrinkles in the skin or greying hair, and in many cases they never cause pain at all. Importantly, degeneration doesn’t mean your spine is failing; it reflects how the spine has adapted to years of use.
So why does it hurt if these changes are common?
Pain is influenced by how the whole system is responding, including:
  • Load and movement patterns
    Certain movements, postures, or workloads may irritate tissues that are already sensitive.
  • Fascia and connective tissue
    The layered connective tissues of the lower back are highly innervated and responsive. When they lose glide or become densified, they can contribute strongly to discomfort.
  • The nervous system
    Sometimes pain reflects heightened protection or sensitivity rather than ongoing damage — especially after an injury or prolonged stress.
  • Guarding and bracing
    Muscles often tighten to protect an irritated area. Over time, this can become part of the pain cycle itself.

​This is why two people can have very similar scan findings — yet very different experiences.
Muscle and fascial layers of the lower back
Research now suggests that low back pain often comes from soft tissue sources, as opposed to in the past where it was usually considered a disc issue. Muscle tension, protective bracing, sensitive nerves, and the thoracolumbar fascia — a richly innervated connective tissue layer — can all contribute to pain when normal movement and gliding between layers is reduced.
Thoracolumbar Fascia Layers (blue) which contains and separates muscles.
Cross-section of the lower back, highlighting how nerves (yellow) and blood vessels (red) pass through layers of muscle and fascia.
Three-dimensional view of the lumbar spine showing vertebrae, discs, nerves, vessels, and surrounding soft tissues.
What about disc bulges or herniations?
Disc bulges and herniations are more common than most people realise, particularly in discs that have been exposed to repeated or sustained loading over time. Many disc bulges or tears cause no pain at all, and even when disc material does push outward, the body often has ways of settling, reabsorbing, or naturally stabilising the area over time.
Is bending or movement dangerous now?
Usually, no. Movement is one of the main ways discs and surrounding tissues stay nourished. Unlike muscles, spinal discs don’t have a direct blood supply; instead, they receive fluid and nutrients through gentle pressure changes as you move. Everyday activities like walking, breathing, and comfortable movement create a subtle pumping effect that supports disc hydration and resilience.

That said, if certain movements currently feel aggravating, it’s useful to adjust how you move rather than stop moving altogether. Reducing unnecessary strain and choosing pain-free alternatives — such as hinging through the hips instead of bending deeply through the spine under load — can help protect irritated tissues while things settle.
When forward bending is sensitive, learning to hinge from the hips and keeping the spine straight (left), rather than flexing through the spine (right), can reduce pressure on irritated discs and help protect the lower back during daily tasks or lifting.
The goal isn’t to avoid movement out of fear, but to move with awareness and support. Movement doesn’t need to be intense to be beneficial; it just needs to be comfortable and regular.
Watch this video to learn more about what happens to your disc during loading (source)
A note on “core strength” and endurance
When we talk about “core strength,” we’re usually not aiming for strong bracing or crunches. Research shows the spine is better supported by endurance and coordination — the ability of deep muscles to provide steady, low-level support over time.

After pain or injury, these muscles often fatigue early or stay overactive. Rebuilding endurance helps the spine feel more supported during everyday movement, reduces flare-ups, and restores confidence — without excessive tension or strain.
When nerves are involved
Sometimes disc bulges or joint changes can irritate nearby nerves, leading to symptoms such as tingling, numbness, or pain that can travel into the leg. These patterns can sound alarming, but they can be manageable, especially when addressed early and thoughtfully. As always, sudden weakness, changes in bowel or bladder control, or severe unrelenting pain should be checked with your GP or specialist.
Do injured discs heal over time?
Discs don’t always “heal” by returning to a perfectly normal structure on a scan — but symptoms often improve, and the spine can become resilient again. In many cases, disc bulges and herniations settle gradually: protruding material may shrink or be reabsorbed, and the area often becomes less sensitive as it stabilises.

Pain can reduce over weeks as irritation settles and movement becomes more comfortable. Rebuilding resilience — the disc’s ability to tolerate everyday and higher loads with confidence — usually takes longer. Typically this unfolds over roughly 6–12 months, depending on the individual and the demands placed on their spine.
What can help
For many people, improvement comes from a combination of calm reassurance and understanding, restoring comfortable movement, reducing unnecessary guarding, and gradually rebuilding strength and endurance in a way that feels safe and sustainable. Supporting the nervous system’s sense of safety is an important part of this process, as it helps the body settle and adapt more effectively.
Hands-on work, informed movement, and education often work together — not to “fix” a broken spine, but to help the body feel supported enough to adapt. Your spine is strong, adaptable, and designed to change across a lifetime.
⚠️ Disclaimer:
This page is here to support—not replace—medical advice. If you're experiencing intense, unusual, or worsening symptoms, it's a good idea to check in with your GP.

🩺 For Referrers:
We’re always happy to collaborate with referring providers. Feel free to get in touch to discuss an approach or referral.
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Compiled by Joe Liguori