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Welcome to the second Spine Research Roundup. Every fortnight we pick out a few new studies that matter to people living with back and neck problems, and explain them in plain English. This edition covers papers added to PubMed between 6 and 18 October 2026. Three are about the neck, one is a large UK study of spine fractures that cause no symptoms, and two look at non surgical care for long term low back pain.
Key points
- Cervical myelopathy: two reviews found that people who had symptoms for longer before surgery tended to recover less well, although no single safe waiting time could be set.
- Swallowing after surgery from the front of the neck: problems were very common in the first weeks and eased for most people, but about 1 in 3 still noticed some difficulty at one year, usually mild.
- Silent spine fractures: a UK Biobank study found moderate or severe fractures in about 1 in 7 adults aged 40 to 79 with no symptoms, often with normal bone density and more often in men.
- Light therapy added to exercise for chronic low back pain made no worthwhile difference in a carefully blinded trial.
- Motivational interviewing helped people with low back pain become more active, although on its own it did not change pain or disability.
1. Does waiting longer for cervical myelopathy surgery matter?
Degenerative cervical myelopathy happens when wear and tear in the neck presses on the spinal cord. It can cause clumsy hands, numbness and poor balance. Surgery is the standard treatment for moderate, severe or worsening myelopathy, but the best timing is still debated. A Polish team pooled 14 studies with 3,162 people. A longer spell of symptoms before surgery was linked with a poorer score afterwards on the mJOA, a standard scale that rates hand and leg function, sensation and bladder control. Earlier surgery was also linked with less neck pain and disability, but not with better overall quality of life. The authors could not recommend a cut off time, because the published data were too limited.[1] A second review, led from Nottingham, looked at 8 studies with 3,991 people followed for at least a year. Nerve function scores were generally better than before surgery, by varying amounts. Six studies linked longer symptoms with poorer recovery in at least one area, but the thresholds they used ranged from 4 months to more than 2 years, and improvement was still seen in some people who had had symptoms for a long time.[2] Both reviews were built mainly on observational studies with a moderate risk of bias, so they show links rather than proof of cause.
What this means for patients
If you have been diagnosed with cervical myelopathy, it is worth talking through the timing of treatment with your specialist rather than putting the conversation off. These studies suggest time matters, but they do not give a deadline, and a long history does not mean surgery cannot help. Tell your team if your hands, walking or balance are getting worse. If you suddenly lose strength in your arms or legs, or have new problems controlling your bladder or bowels, go to A&E or call 999 straight away.
2. Swallowing after surgery from the front of the neck
Difficulty swallowing is a well known early side effect of anterior neck surgery, where the spine is reached through a small cut at the front of the neck, as in ACDF. Canadian researchers looked again at 132 adults with cervical myelopathy who had anterior surgery as part of a large phase III trial called CSM-Protect. Most had more than one level of the neck operated on. Before surgery, 11.4% already had moderate swallowing difficulty. Problems peaked at around 5 weeks after the operation, when 68.6% reported some difficulty (14% severe). This fell to 47% at 6 months and 36.4% at one year, when 10.6% had moderate and 3.0% had severe difficulty. People who had swallowing problems before surgery, and those whose operation involved the C5 level of the neck, were more likely to still have difficulty at a year. Unexpectedly, a shorter history of myelopathy symptoms was also linked with lasting problems. This was a look back at trial data in a fairly small group, mostly having multilevel surgery, so the figures may not apply to a single level operation.[3]
What this means for patients
If you are offered surgery from the front of the neck, expect some swallowing discomfort in the first few weeks; for most people it improves. Mention any swallowing problems you already have beforehand. If difficulty persists, tell your surgical team or GP so it can be assessed. If you have any difficulty breathing, or new swelling in the neck after surgery, go to A&E or call 999 straight away.
3. Silent spine fractures are more common than expected
Some vertebral fractures happen without a fall or any obvious symptoms, so they go unnoticed. A UK team used spine images from bone density (DXA) scans of 2,446 UK Biobank volunteers aged 40 to 79 who had no symptoms. A fracture was counted if a vertebra had lost at least a quarter of its height. Moderate or severe fractures were found in 356 people (14.6%). The figure rose with age, from 9.4% of people in their 40s to 19.6% of those in their 70s. Fractures were more common in men than in women (18.8% compared with 10.8%). Bone density and most of the usual risk factors were poor at predicting who had a fracture. This was a snapshot study, so it cannot show what happened later, and some authors run a radiology practice.[4]
What this means for patients
A normal bone density result does not rule out a spine fracture, and men are affected too. If an X-ray, CT or MRI report mentions a vertebral fracture, a wedge shape or loss of vertebral height, ask your GP whether you need an assessment of your bone health. Sudden severe back pain after a minor fall or a cough is different, and should be checked by your GP.
4. Light therapy added to exercise for chronic back pain
Photobiomodulation, sometimes called low level laser or light therapy, shines light on the skin over the painful area. A Brazilian trial randomly allocated 148 adults with chronic non specific low back pain, lasting at least 3 months, to active or sham (dummy) light therapy. Everyone also did the same motor control exercise programme, with 12 sessions over 6 weeks. Neither patients nor assessors knew who had the real treatment. At 6 weeks, the difference between groups was just 0.4 points on a 0 to 10 pain scale and 0.7 points on a 0 to 24 disability scale, both too small to matter. The groups stayed similar over 12 months, and there were no treatment related side effects. It is a single, well designed trial.[5]
What this means for patients
In this trial the exercise did the work and the light added nothing useful. The NICE guideline on low back pain recommends exercise and advises against several machine based treatments, including ultrasound and TENS; it does not mention light therapy specifically.[6] If you are paying for treatment, put your time and money into an exercise programme, ideally guided by a physiotherapist.
5. Can the right conversation help you move more?
Motivational interviewing is a style of supportive conversation that helps people find their own reasons and confidence to change a habit. An Australian and UK team reviewed 8 trials of motivational interviewing aimed at physical activity in adults with low back pain. People who received it became more active than those who had usual care or simple advice, a moderate effect. It made no clear difference to pain or disability. Confidence in the evidence was low for activity and very low for pain and disability, and the authors call for larger, longer trials.[7]
What this means for patients
NICE advises keeping active and exercise for low back pain, but many people find it hard to get started.[6] Help with setting your own goals may make it easier to stick with, even if it does not reduce pain by itself. Start small, build up gradually, and choose something you enjoy, such as walking.
Research findings take time to change practice. Please do not change your treatment based on a single study; talk to your GP or specialist.
References
- Szymoniuk M, Czyżewski W, Kochański M, et al. Symptom duration and postoperative outcomes in degenerative cervical myelopathy: a systematic review and meta-analysis. Neurosurg Rev. 2026 Oct 17;49(1):616. doi:10.1007/s10143-026-04543-z Link
- Najjar E, Akil A, Akil H, et al. One to two year outcomes after surgery for cervical myelopathy: a systematic review of symptom duration and baseline severity. Eur Spine J. 2026 Oct 7. Online ahead of print. doi:10.1007/s00586-026-10412-6 Link
- Bak AB, Pedro KM, Moghaddamjou A, Fehlings MG; CSM-Protect Study Group. Long-term dysphagia after multilevel anterior decompressive surgery for cervical myelopathy: findings from the phase III CSM-Protect trial. J Neurosurg Spine. 2026 Oct 9:1-6. Online ahead of print. doi:10.3171/2026.4.SPINE26260 Link
- Wilson DJ, Whitehouse RW, Allen GM, et al. Prevalence and predictors of silent vertebral compression fractures using DXA: a UK Biobank Imaging Study. Eur Radiol. 2026 Oct 13. Online ahead of print. doi:10.1007/s00330-026-12947-0 Link
- Tomazoni SS, de Oliveira MFD, Schardong J, et al. Photobiomodulation therapy has a negligible effect as an adjunct to motor control exercise in people with chronic non-specific low back pain: a randomised trial. J Physiother. 2026;72(4):271-277. doi:10.1016/j.jphys.2026.09.005 Link
- National Institute for Health and Care Excellence. Low back pain and sciatica in over 16s: assessment and management (NG59). Published 2016, last updated 29 July 2026. Link
- Barrett S, Dunford AR, Bewley T, et al. Motivational interviewing increases physical activity for adults with low back pain: a systematic review and meta-analysis. Ann Behav Med. 2026;60(1):kaag040. doi:10.1093/abm/kaag040 Link
This article is general information and is not a substitute for advice about your own situation. Please speak to your GP or specialist before making any change to your treatment.
Last checked: October 2026

