Disc Bulge and Sciatica Relief: What Spinal Decompression in Clyde North Actually Does
- Ash Cherrett
- 1 day ago
- 7 min read
There's a particular kind of exhaustion that comes with chronic disc pain.
It's not just the pain itself. It's the way your life slowly reorganises around it. You stop offering to carry things. You think twice before sitting through a long dinner. You lie awake at 2am shifting positions because nothing feels comfortable. You've started cancelling plans without explaining why — because explaining it again feels worse than just going without.
You've tried things. Physio. Massage. Anti-inflammatories that take the edge off for a few days before it comes back. Maybe injections. Maybe another chiropractor. Some of it helped — temporarily. But the disc hasn't changed. The nerve is still irritated. And every time you think it's getting better, something reminds you it hasn't.
If you're researching spinal decompression in Clyde North or anywhere across Melbourne's south-east suburbs, you're probably not new to back pain. You're just ready to try something that actually addresses what's happening inside the disc — not just how it feels on the surface.
This article explains what spinal decompression is, what the research actually shows, and how to know whether it's worth pursuing for your specific situation.
Why Disc Pain Is Different From Other Back Pain
Most back pain responds reasonably well to movement, physio, and time. Disc-related pain often doesn't — and understanding why makes the difference between choosing the right treatment and continuing to chase temporary relief.
When a disc is bulging, herniated, or degenerated, the problem isn't just muscular tension or poor posture. The disc itself is under pressure it can't recover from on its own. That pressure compresses the nerve running alongside it — which is why disc conditions produce such specific, often radiating symptoms. The deep ache through the buttock and into the leg. The pins and needles down the arm and into the fingers. The burning sensation that comes and goes without warning.
Stretching and strengthening the surrounding muscles can provide relief — but if the pressure on the disc isn't addressed, the symptoms keep returning. The muscle is not the problem. The disc is.
This is the mechanical reality that makes disc-related pain so frustrating to treat through conventional means alone — and it's the clinical rationale behind spinal decompression.
What Is Spinal Decompression in Clyde North?
Spinal decompression is a non-surgical, drug-free treatment that uses a specialised table to gently create space inside the affected spinal discs.
The table applies a slow, controlled distraction force to the spine — pulling the vertebrae apart just enough to reduce the pressure inside the disc. When intradiscal pressure drops, two things happen. The nerve irritation reduces. And the disc is able to draw in fluid and nutrients — creating the environment it needs to repair itself.
This is the critical distinction between spinal decompression and standard traction. Research published in the Journal of Neurosurgery demonstrated that spinal decompression can reduce intradiscal pressure to below -100 mmHg — a level of negative pressure that standard traction cannot achieve. That negative pressure is what creates the vacuum effect responsible for drawing disc material back toward its normal position.
In plain terms — decompression doesn't just stretch the spine. It changes the mechanical environment inside the disc in a way that allows the discs to repair themselves.
What the Research Shows
The clinical evidence behind spinal decompression has been building for decades. Here are the studies worth knowing about.
Disc height restoration — confirmed on CT scan
A peer-reviewed study published in BMC Musculoskeletal Disorders followed patients with discogenic low back pain through a six-week non-surgical spinal decompression protocol. Pain scores dropped from 6.2 to 1.6 out of 10 — and disc height increased measurably on CT scan from 7.5mm to 8.8mm on average. That's not symptom management. That's structural change documented on imaging.
Herniated disc volume reduced by 30% — visible on MRI
A 2022 clinical study published in the International Journal of Clinical Practice randomised 60 patients with lumbar disc herniation into decompression and non-decompression groups. The decompression group showed approximately 30% reduction in herniated disc volume on MRI scans, significantly lower leg pain scores at two months, and better disability scores at both two and three months compared to the control group.
7 in 10 patients achieved near-complete pain relief
A large multicenter outcome study across 22 medical centres followed 778 patients with herniated or degenerative discs. Approximately 71% achieved good-to-excellent outcomes with non-surgical spinal decompression. Spinal mobility improved in 77% of patients and daily activity scores improved in 78%.
Pain dropped from 6 out of 10 to less than 1 — still holding 7 months later
A clinical study reviewing outcomes in patients with chronic discogenic pain — most suffering for over five years — found average pain scores fell dramatically following a structured decompression program. At a 31-week follow-up, results were maintained and patient satisfaction averaged 8.55 out of 10.
Who Is Spinal Decompression For?
Spinal decompression is most likely to be appropriate if you have one or more of the following:
A disc bulge or disc herniation confirmed on MRI or CT scan
Degenerative disc disease with loss of disc height
Sciatica — pain, numbness, tingling or aching radiating from the lower back into the buttock, leg or foot
Cervical radiculopathy — nerve pain, numbness or tingling radiating from the neck into the shoulder, arm or hand
Chronic lower back or neck pain that has not responded to other conservative treatment
It is worth noting that imaging findings alone don't determine suitability. Two people can have identical MRI reports and have very different clinical presentations — which is why a proper assessment matters before any program begins.
Who Is Not a Candidate?
Spinal decompression is not appropriate for everyone and certain conditions make it contraindicated. These include:
Pregnancy
Spinal fractures — recent or unstable
Spinal fusion with hardware
Severe osteoporosis
Spinal tumours or infections
Aortic aneurysm or significant abdominal pressure conditions
Severe joint instability or hypermobility
A thorough clinical assessment before treatment begins is not optional — it is the standard of care. At Cherrett Chiropractic in Clyde North, no patient begins a decompression program without a full history, neurological screening and X-ray analysis to confirm the treatment is both appropriate and safe for their specific presentation.
What Makes a Decompression Program Effective?
Not all spinal decompression is delivered the same way — and the difference matters clinically.
The most important variables are the force applied, the angle of traction, the session duration, and how the program progresses across visits. These parameters need to be calibrated to the individual patient — their diagnosis, their symptom severity, their age and weight, and how their body responds session by session.
A generic protocol applied to every patient produces generic results. A program built around your specific presentation gives the disc the precise mechanical environment it needs to heal.
At Cherrett Chiropractic, every decompression program is delivered alongside Chiropractic BioPhysics (CBP) corrective exercises — one of the most researched chiropractic techniques in the world — to address the structural cause of the disc problem, not just the immediate symptoms. Programs are phase-based with defined clinical goals at each stage, and progress is tracked using objective measures including follow-up X-rays at the appropriate point in your care.
This is the difference between a session on a table and a structured clinical program designed to create lasting change.
What Your Spinal Decompression Journey Looks Like at Cherrett Chiropractic
Step 1 — ClearSpine Pain Assessment Dr. Cherrett will conduct a thorough history, musculoskeletal and neurological examination, postural assessment and X-ray analysis. At the end of your assessment, you'll have a clear picture of whether you're a suitable candidate for spinal decompression.
Step 2 — Report of Findings and First Treatment We walk you through exactly what your scans and examination found, and present a structured care program built around your condition and long-term goals. You'll leave knowing exactly what's happening in your spine, why it's happening, and what the plan looks like from here. Treatment begins the same visit.
Step 3 — Ongoing Decompression Therapy Each visit involves your decompression session delivered using a progressive protocol that adapts as your body responds. Sessions build in duration and force across the program as your spine tolerates greater decompression.
Step 4 — Progress Reassessment We reassess regularly throughout your program so you can see objective evidence of change — not just take our word for it.
The Bottom Line
If you've been living with disc-related pain and the treatments you've tried have only ever provided temporary relief, spinal decompression may be the step you haven't taken yet.
The research is strong enough to take seriously. The mechanism is well understood. And for the right patient, the outcomes go beyond symptom relief — they show up on imaging as measurable, structural change.
The question is whether it's right for your spine specifically. That's exactly what the initial assessment is designed to answer.
Cherrett Chiropractic offers spinal decompression in Clyde North and serves patients across Melbourne's south-eastern suburbs including Narre Warren, Berwick, Officer, Cranbourne and Beaconsfield.
Book your ClearSpine Pain Assessment → Or call us on (03) 5915 9895
About the Author
Dr. Ashley Cherrett (BAppSc(Chiro), BHlthSc) is the principal chiropractor and owner of Cherrett Chiropractic in Clyde North, Melbourne. He practises using the Chiropractic BioPhysics (CBP) technique — a systematic, evidence-based approach to spinal correction that prioritises measurable structural outcomes over short-term symptom management.
References
Apfel CC et al. Restoration of disk height through non-surgical spinal decompression is associated with decreased discogenic low back pain. BMC Musculoskeletal Disorders. 2010. https://pmc.ncbi.nlm.nih.gov/articles/PMC2912793/
Choi E et al. Effect of Nonsurgical Spinal Decompression on Intensity of Pain and Herniated Disc Volume in Subacute Lumbar Herniated Disc. International Journal of Clinical Practice. 2022. https://pmc.ncbi.nlm.nih.gov/articles/PMC9553669/
Gose E et al. Vertebral axial decompression therapy for pain associated with herniated or degenerated discs or facet syndrome: An outcome study. Neurological Research. 1998. https://pubmed.ncbi.nlm.nih.gov/9583577/
Ramos G, Martin W. Effects of vertebral axial decompression on intradiscal pressure. Journal of Neurosurgery. 1994. https://pubmed.ncbi.nlm.nih.gov/8057141/
Macario A et al. Treatment of 94 outpatients with chronic discogenic low back pain with the DRX9000. Pain Practice. 2008. https://pubmed.ncbi.nlm.nih.gov/18211590/
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