This Issue

Treat the driver early, or the joint downstream pays the bill.

This whole issue really comes down to time, and what it costs you when a nerve root sits there compressed and nobody deals with it. Treat the driver, not the site, right? We say it constantly. Well, this month the literature put some big, kind of jaw-dropping numbers behind it, and I will get to those. But first, the thing I say at the start of every single course, because honestly it matters more than any technique I could hand you. Not everybody sitting in front of you is a needling candidate. Some of them you should not be needling at all. Three focuses like always: the safety call, the model that actually explains the pain, and one spot you can use Monday.

01
Focus One · Dry Needling: Safety First
Not every radiating leg pain is a disc. Screen before you reach for a needle.

Okay, this one stuck with me, and it should make all of us slow down. A 59-year-old comes in, few days of burning, kind of needle-y pain running down the left thigh and into the calf. They image her, and sure enough there are some degenerative disc changes, because, come on, show me somebody over 50 who does not have those. She gets labeled a lumbar disc and put on traction. And she gets worse. Two days later the blisters show up. It was shingles the whole time, herpes zoster, and that traction was tugging on an already angry, infected nerve. Oof. Now our consensus does not hedge on this one. Active infection is an absolute contraindication, full stop. And the atypical, sensitized, neuropathic looking stuff, that is a precaution, which just means you slow down and you screen. Acute pain sitting in a dermatome with no motor or reflex deficit to back it up? That is exactly the picture that should make you go, wait, what else could this be, before you go treating it like a mechanical problem. If the patient does not walk like a duck, quit treating them like one.

What this changes Monday

Before you needle a radiating pain, clear the non-mechanical stuff first. Fever, a rash, night pain, a story that just does not add up, no objective neuro finding to match the symptom. The needle is for a neuromuscular problem. And if you cannot talk yourself into it being one, that is not a puzzle to push through. That is your reason to stop and screen.

Gao Y. Front Med (Lausanne), 2026. Case report. PMID 42597684. Framework: Waterway T, … Zylstra E, et al. IJSPT 2026;21(5):556-567 (contraindications and precautions).
02
Focus Two · The Radiculopathic Model
The longer that nerve root stays compressed, the more the knee and hip downstream pay for it.

This is a paper I have been waiting years for somebody to publish. They took 1,344 people with a lumbar disc herniation and asked a dead simple question: does how long that nerve root has been irritated have anything to do with arthritis showing up in the hip and knee on the way down? And it did. Not by a little, either. The folks whose radicular motor deficit had been dragging on for more than two years had almost 35 times the odds of symptomatic hip osteoarthritis, and over 6 times the odds at the knee, compared to the ones caught inside a month. Thirty-five times. And here is the kicker, the worn joint was on the same side as the radiculopathy. Now I have to be straight with you, it is cross-sectional and it is a surgical group, so nobody gets to say the disc caused the arthritis, and to their credit they did not say that either. But man, does it line up with what we teach. The nerve is a hose. Step on it up at the root and the whole leg downstream gets fed poorly, the muscles go quiet and guarded, the joint starts loading wrong, and you give that enough years and it wears out. So, treating the driver early is not just about this week's pain. You are protecting a knee that does not even hurt yet.

What this changes Monday

When a chronic knee or hip just will not settle down no matter what you throw at it, go screen the segment above it. Same drill, dermatomes, myotomes, reflexes, neurodynamics. And the thing to feel in your gut here is that time is not neutral. The longer that root drives, the more the joint downstream pays for it. So find it early, not after the cartilage is already gone.

Ondirko D, et al. Brain Spine, 2026. Cross-sectional, n=1344, surgically treated cohort (limits generalizability). PMID 42602441.
03
Focus Three · Clinical Application: The Neuro Patient
Dry needling calmed spasticity after stroke. Read that as the nervous system, not the muscle.

Alright, this one steps way outside the ortho world, and I kind of love it for that. New meta-analysis, 11 randomized trials, 276 stroke patients with spasticity, and needling brought the tone down. A real drop on the Ashworth, better than sham, and it held even when they layered it on top of the normal neuro rehab. Biggest effect was down at the ankle plantarflexors, that classic locked-up, spastic calf we all know. And this is the point I will not stop making. Spasticity is not a knot you are digging out. It is an upper motor neuron thing, the nervous system stuck with the volume cranked up. The needle did not stretch that calf. It turned the signal down. Now, evidence check, because I am not going to oversell this to you. It is a meta-analysis, sure, but the trials are small, the GRADE certainty is moderate to low, and the effect is short term. This is a promising add-on, not a miracle. Pair it with the loading and the rehab. Do not sell it as the treatment.

What this changes Monday

If you have got a spastic calf after a stroke and you are actually trained for that population, needling can buy you a window where the tone is down. Use the window. Get them loading and moving while it is quiet, because the needle just opened the door and the movement is what actually walks through it.

Yuan X, et al. Complement Ther Med, 2026. Systematic review and meta-analysis, 11 RCTs, n=276, GRADE moderate to low, short-term. PMID 42603654.
For The Experienced Needler

If you are on the fourth visit needling the same spot, that spot is not the answer.

A little pediatric study caught my eye this week, and not because of the kids, but because of the pattern in it. They were giving trigger point injections for abdominal wall pain, and look, the pain dropped almost every time. But the kids who needed four or more rounds? They kept getting the needle stuck right back into the same old tender spot, over and over, and those kids were not actually getting their lives back. And the authors said something I would frame and nail to the wall in every clinic: immediate pain relief is not the same as recovery, and needing four-plus visits to the same spot is your cue to stop and reassess, not to add another rep. If you have been at this a while, you already know that itch, that little nag when a spot keeps needing you. Trust it. The patient who keeps coming back for the same tender point is not asking you to needle harder. They are telling you that you have not found the driver yet. And listen, if you are already reassessing instead of repeating, already sending people out the door loaded and independent instead of hooked on you, then you are doing the part most people never actually learn. Keep it up. Go teach it.

Sato T, et al. Eur J Pediatr, 2026. Retrospective cohort, n=27, trigger point injection in pediatric ACNES. PMID 42581245.
The Line To Repeat

Treat the driver early, or the joint downstream pays the bill. The needle is for a neuromuscular problem you have actually screened for and found, and even then all it does is open the door. The loading is what walks through it.

If you train or supervise people who needle, forward this one. The reminder to screen first and treat the driver early is worth a hallway conversation, and both papers behind it are open access.

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The Briefing is written by Edo Zylstra, PT, DPT, OCS. I read the literature so you can spend Monday treating, not searching.
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