What Does a Chiropractor Do, and Is It Evidence-Based? — ScanAlign private EOS imaging clinic, Harley Street
Treatment pathways

What Does a Chiropractor Do, and Is It Evidence-Based?

A chiropractor is a regulated healthcare professional who uses hands-on spinal manipulation and joint adjustments to treat musculoskeletal pain. There is reasonable evidence supporting chiropractic care for short-term low back pain, but the picture is more mixed for other conditions. Understanding your alignment before treatment can help both you and your practitioner make better decisions.

Key takeaways

  • Chiropractors in the UK are regulated by the General Chiropractic Council. It is a protected title.
  • The strongest evidence supports chiropractic adjustment for acute and sub-acute low back pain.
  • Serious side effects are rare, but not zero. Informed consent matters.
  • A standing, weight-bearing image of your whole alignment can give any practitioner, including a chiropractor, a much clearer starting point.
  • Chiropractic is a treatment pathway. ScanAlign provides diagnostic imaging only, not treatment.

What does a chiropractor actually do during a session?

A chiropractor assesses your spine and joints, then uses controlled, quick movements called adjustments, or spinal manipulation, to restore joint movement. You may hear a cracking or popping sound. This is simply gas releasing from the joint fluid, not bones moving.

Assessment

History, posture check and range-of-motion tests. Some chiropractors request imaging first.

Adjustment

Targeted, quick pressure applied to specific joints. The goal is to improve movement and reduce pain.

Follow-up plan

Often includes exercise advice, ergonomic guidance and a recommended number of follow-up sessions.

A typical first session lasts around 30 to 60 minutes. Follow-up appointments are usually shorter. Many chiropractors also use soft-tissue techniques, stretching and rehabilitation exercises alongside adjustments.


Does chiropractic work for back pain?

For acute and sub-acute low back pain, the evidence is reasonably positive. The National Institute for Health and Care Excellence (NICE) includes spinal manipulation as one of several options within its guidelines for low back pain and sciatica, alongside exercise, physiotherapy and psychological support.

What Does a Chiropractor Do, and Is It Evidence-Based? — ScanAlign clinic illustration

For neck pain, some studies show modest short-term benefit from manipulation, broadly comparable to other manual therapies. For tension-type headaches, the evidence is less consistent. Claims that chiropractic can treat non-musculoskeletal conditions such as asthma or digestive problems are not supported by reliable evidence.

It is worth noting that many treatment approaches for back pain, including physiotherapy, acupuncture and medication, also have limitations in their evidence base. The honest summary is that chiropractic appears helpful for some people with certain types of back and neck pain, but it is not a cure-all.


Is chiropractic safe?

For most people, chiropractic adjustment is considered safe when performed by a registered practitioner. Common side effects include temporary soreness, stiffness or tiredness after a session. These usually settle within a day or two.

Serious complications are rare. The most discussed risk involves high-velocity neck manipulation and a very small association with vertebral artery dissection (a type of stroke). The absolute risk is extremely low, but it is not zero. This is why informed consent before neck manipulation is important, and why some chiropractors use gentler mobilisation techniques for the cervical spine instead.

A note on red-flag symptoms. If you experience sudden severe pain, numbness or weakness in your arms or legs, difficulty walking, or any loss of bladder or bowel control, do not wait for a chiropractic appointment. Seek urgent medical attention through your GP, NHS 111 or A&E.

Regulation in the UK

In the UK, "chiropractor" is a protected title. Every practitioner must be registered with the General Chiropractic Council (GCC) and meet standards of education, conduct and continuing professional development. You can check any chiropractor's registration status on the GCC website before booking.


What is the difference between a chiropractor and a physiotherapist?

Both are regulated professionals who treat musculoskeletal pain. The main difference is in emphasis. Chiropractors tend to focus on spinal manipulation and joint adjustments. Physiotherapists typically use a broader range of approaches including exercise programmes, manual therapy, electrotherapy and rehabilitation after surgery or injury.

Chiropractor
  • Focus on spinal manipulation
  • Regulated by the GCC
  • Often works in private practice
  • May use X-rays for assessment
Physiotherapist
  • Broader range of techniques
  • Regulated by the HCPC
  • Available on the NHS and privately
  • Strong focus on exercise and rehabilitation

Neither is inherently "better" than the other. It depends on your problem, your preferences and what the evidence supports for your specific situation. Many people benefit from a combination of approaches. Both chiropractors and physiotherapists can benefit from having detailed alignment imaging before they start treatment.


How does standing imaging help before chiropractic treatment?

Standing, weight-bearing imaging shows your skeleton under real-life loading, with gravity acting on your joints exactly as it does when you walk, stand or sit. This matters because lying-down scans relax the muscles and can mask alignment problems that only appear when you are upright.

What Does a Chiropractor Do, and Is It Evidence-Based? — ScanAlign clinic illustration

Your body works as a connected chain from your feet to your head. A shift in your pelvis can cause your spine to compensate, and pain may show up in your back, hip or knee rather than at the source. A whole-body standing image maps this entire chain in a single capture, giving your chiropractor (or any other treating practitioner) a much clearer picture of what they are working with.

ScanAlign standing EOS imaging uses about 90% less radiation than a standard X-ray, around ten times less. The scan takes only seconds and you simply stand still in normal posture.

When MRI is the better choice. EOS shows bones, joints and alignment. For soft-tissue problems such as disc injuries, nerve compression or ligament tears, MRI is usually the better imaging tool. If your chiropractor suspects a soft-tissue cause, they may recommend MRI instead of, or alongside, alignment imaging.

If you have ongoing back, hip or posture problems and want to understand your alignment before starting treatment, you can book an alignment assessment or learn more on our back pain clinic page.


Frequently asked questions about chiropractic care

They will take a detailed history, assess your posture and range of movement, and may perform some orthopaedic tests. If appropriate, they will carry out an adjustment during that first session. Some request imaging beforehand.

Most people feel pressure rather than pain during an adjustment. Some temporary soreness or stiffness afterwards is common, similar to after a workout. This usually settles within a day or so.

The sound comes from gas bubbles being released from the fluid inside a joint when it is moved quickly. It is not your bones cracking or grinding. Not all adjustments produce this sound, and it is not a sign that something has gone wrong.

This varies widely. Some people feel improvement after a few sessions. Be cautious of very long treatment plans proposed upfront without review points. A good practitioner will reassess regularly and discharge you when appropriate.

Yes. "Chiropractor" is a protected title. All practitioners must register with the General Chiropractic Council (GCC). You can verify registration on the GCC website. It is illegal to call yourself a chiropractor without registration.

Some people with sciatica-type symptoms find relief through chiropractic care, but the evidence is not as strong as for simple low back pain. If you have true nerve compression, imaging such as MRI may be needed first to understand the cause before any manual treatment.

It depends on your symptoms. For chronic or unexplained pain, a standing whole-body alignment image can help identify structural factors that a hands-on assessment alone might miss. This gives your chiropractor objective data to work from rather than relying solely on clinical judgement.

Costs vary by location and practitioner. An initial consultation typically costs more than follow-up sessions. Chiropractic care is usually private, though some insurance policies cover it. Always confirm fees before your appointment.

No. You can self-refer to a chiropractor in the UK. Similarly, you do not need a referral for an alignment assessment at ScanAlign. You can book directly.

An EOS scan uses about 90% less radiation than a standard X-ray, around ten times less. It captures your full standing alignment in a single, low-dose image that takes only seconds.


Understand your alignment before you start treatment

A free video consultation helps you find out whether a standing alignment scan is the right next step for your symptoms.

Book a free video consultation

Sources

  1. National Institute for Health and Care Excellence (NICE). Low back pain and sciatica in over 16s: assessment and management. NICE guideline NG59, 2016 (updated 2020).
  2. Rubinstein SM, de Zoete A, van Middelkoop M, et al. Benefits and harms of spinal manipulative therapy for the treatment of chronic low back pain: systematic review and meta-analysis. BMJ. 2019;364:l689.
  3. General Chiropractic Council (GCC). Standards of proficiency and the Code. gcc-uk.org.

Written by Abbas Dhami (Specialist Diagnostic Radiographer)

This page is general information and not a diagnosis.

ScanAlign is the trading name of CoreMed Solutions Ltd and operates under The Harley Street Hospital's CQC licence.