Dry Needling: What It Does, What the Evidence Says, and Where It Fits in Physiotherapy

Dry needling tends to provoke strong opinions.

Some people swear by it. Others dismiss it completely.

The more useful position sits somewhere in the middle.

Dry needling can be a helpful tool for certain patients and certain problems. It may reduce pain and sensitivity, particularly in the short term, and sometimes creates a useful window where movement and rehabilitation become easier.

But it is not a cure-all.

At Titan Physio, we use it for exactly that reason: as a tool, not a treatment philosophy.

What is dry needling?

Dry needling involves inserting a fine sterile needle into specific areas of muscle or soft tissue.

Unlike an injection, nothing is introduced into the body. The needle itself provides the stimulus.

Although dry needling and acupuncture both use fine needles, the clinical reasoning behind them is different. In physiotherapy, dry needling is generally used within a musculoskeletal assessment and treatment plan, with the aim of influencing pain, muscle sensitivity and movement.

The important question is not simply whether a muscle feels "tight".

It is whether needling is likely to help the patient move, load or rehabilitate more comfortably.

What is the needle actually doing?

Older explanations often described dry needling in very mechanical terms: find the trigger point, release the knot, fix the problem.

The reality is more complex.

The needle provides a mechanical stimulus to the tissue and nervous system. This appears capable of altering local biochemical activity and pain processing, which may temporarily reduce sensitivity and create a window in which movement and rehabilitation are more comfortable.

Research suggests that dry needling can influence pain-related biochemical markers and aspects of the nervous system involved in pain modulation. A recent systematic review and meta-analysis found measurable changes in several pain-related biomarkers and a small effect on conditioned pain modulation, although not every neurophysiological measure changed.

That means the effect is unlikely to come from one single mechanism.

There may be a local tissue response, a change in muscle sensitivity, an alteration in how painful input is processed, or a combination of all three.

For the patient, the practical outcome is often simpler: less pain, easier movement or improved tolerance to loading.

What does the evidence say?

The evidence for dry needling is mixed, but there is evidence of benefit in some musculoskeletal conditions.

Systematic reviews and meta-analyses have reported short-term improvements in pain in conditions including neck pain, subacromial shoulder pain and chronic low back pain. For example, a review of chronic low back pain found that dry needling, particularly when combined with other treatment, improved short-term pain, although it did not show a clear improvement in disability.

For subacromial shoulder pain, a systematic review found favourable effects on pain and disability when dry needling was added to conservative treatment, although several of the included studies had an unclear or high risk of bias.

The important caveat is that dry needling is not consistently superior to other reasonable physiotherapy approaches. A recent meta-analysis in neck pain found no clinically meaningful difference between dry needling and other physical modalities for pain, pressure sensitivity or disability.

Research looking specifically at dry needling combined with exercise also reinforces this point: adding needling does not always improve outcomes compared with exercise alone.

That distinction matters.

A treatment can be useful without being uniquely effective.

Some patients respond very well.

Others notice little or no additional benefit.

Both are entirely plausible.

Dry needling is a tool, not a treatment philosophy

This is the central point.

Dry needling may reduce pain and sensitivity.

What it does not do is build strength, restore tendon capacity, improve cardiovascular fitness or replace a progressive rehabilitation programme.

At Titan, we may use dry needling to turn down symptoms enough to help somebody move, load or exercise more comfortably, but the needle is rarely the end of the story.

The real value is in what becomes possible afterwards.

That might mean loading a painful calf, improving shoulder movement, restoring confidence in a previously painful pattern or progressing an exercise programme that had become difficult to tolerate.

What about the twitch response?

Some dry needling techniques aim to produce a local twitch response: a brief, involuntary contraction of the muscle when the needle reaches a particularly sensitive area.

Some patients notice an immediate change afterwards. Others experience more of a dull ache or heaviness.

The twitch itself should not be treated as proof that the treatment has worked.

Treatment success is better judged by meaningful changes in pain, movement, function and tolerance to loading.

Is soreness afterwards normal?

Yes.

Mild post-needling soreness is relatively common. The area may feel bruised, tender or heavy for several hours and sometimes into the following day.

Minor bleeding or bruising can also occur.

That does not necessarily mean anything has gone wrong.

A patient can feel mildly sore at the needle site while also noticing that the original pain is reduced or that movement feels easier.

A 2026 systematic review examining adverse events associated with dry needling found that minor reactions were the most commonly reported, while more serious complications were much less common.

As with any invasive treatment, appropriate anatomical knowledge, clinical training and patient selection therefore matter.

Who might benefit from dry needling?

Dry needling may be considered when pain or muscle sensitivity is limiting movement or slowing rehabilitation.

It may be used in certain presentations involving:

• neck and shoulder pain
• low back pain
• calf or hamstring symptoms
• sports-related muscular pain
• localised muscle sensitivity
• muscle guarding around an injury

But tightness alone does not mean somebody needs dry needling.

Treatment should follow assessment.

Sometimes exercise is the answer.

Sometimes training load needs to change.

Sometimes education and reassurance are more important.

Sometimes needling may help.

And sometimes the best intervention is simply giving the body enough time to recover.

The Titan approach

We use dry needling when there is a clear clinical reason to use it.

Not because every painful muscle needs a needle, and not because passive treatment should replace active rehabilitation.

If needling helps reduce symptoms and allows somebody to move better, exercise more effectively or tolerate loading more comfortably, it can be a useful tool.

If it does not add anything meaningful, there is no reason to keep doing it.

Good physiotherapy is not about becoming attached to individual techniques.

It is about choosing the right tool for the right person at the right time.

Dry needling can be one of those tools.

It just should never be mistaken for the whole toolbox.

Research and further reading

For readers interested in the evidence behind this article:

• Rabanal-Rodríguez G, et al. Neurophysiological Effects of Dry Needling: A Systematic Review and Meta-analysis. Archives of Physical Medicine and Rehabilitation. 2026. PMID: 40921318.
• Salazar-Arias MP, et al. Dry Needling and Exercise in the Treatment of Musculoskeletal Pain: A Systematic Review. 2026. PMID: 42086197.
• Liu L, et al. Efficacy of Dry Needling for Chronic Low Back Pain: A Systematic Review and Meta-analysis of Randomized Controlled Trials. 2023. PMID: 36399082.
• Dry Needling for Subacromial Pain Syndrome: A Systematic Review with Meta-Analysis. Pain Medicine. 2022. PMID: 36018263.
• Chen Y, et al. Comparison of dry needling with physical modalities for myofascial trigger point of patients with neck pain: A systematic review and meta-analysis. Journal of Bodywork and Movement Therapies. 2025. PMID: 41316611.
• Rabanal-Rodríguez G, et al. Frequency and severity of adverse events associated with dry needling: a systematic review and meta-analysis. Physical Therapy. 2026. PMID: 42096510.