Why Your Neck Hurts During Pilates Abs (And How to Fix It)

If you’ve ever finished a set of hundreds with a burning strip of tightness running up the back of your skull, you know the feeling I mean. It’s a very common complaint in Pilates, and it almost never means your neck is weak. It usually means your neck got handed a job your deep abdominals were supposed to do.

The neck isn’t the problem — it’s the understudy

Here’s the short answer. Your neck hurts during abdominal work because the muscles at the front of your throat that flex your head — the deep neck flexors — are smaller and tire faster than the superficial ones that pull your chin forward. When your deep abdominals don’t generate enough flexion through the ribcage, your head keeps lifting anyway, powered by the wrong muscles. The neck strains to hold a position your trunk never actually created.

That distinction matters, because it changes the fix entirely. Strengthening your neck is not the answer. Changing where the lift originates is.

What’s actually happening in your body

Trunk flexion in Pilates is supposed to be a sequence, not a single event. The ribcage softens down toward the pelvis, the abdominal wall shortens, and the head follows the curve of the spine upward. The head is the last thing to leave the mat or the headrest, and it’s carried by the shape the spine has already made.

When that sequence inverts — head first, ribs still flared, lumbar spine still long — the sternocleidomastoid and scalenes become the prime movers. Those muscles are built for stabilizing and for breathing assistance, not for sustained isometric load. They fatigue, they grip, and about thirty seconds into a hundreds series they start to complain loudly.

Three mechanical things are usually behind it:

• The ribcage never descended. If the lower ribs stay lifted and flared, the abdominal wall can’t shorten. There’s nothing for the head to ride on.
• The chin is leading. Jutting the chin forward lengthens the back of the neck into extension while asking the front to lift — two opposing demands at once.
• The exhale is missing. Flexion and exhalation are mechanically linked. Holding your breath at the top of an inhale keeps the ribcage inflated and blocks the very shape you’re trying to make.

Fixing neck strain in your Pilates abdominal series

When I’m watching someone through abdominal work, I’m not looking at the neck first. I’m looking at the bottom edge of the ribcage and the breath. If the lower ribs don’t move on the exhale, the neck is going to take over no matter how many times anyone says “relax your shoulders.”

Here’s how I’d work through it, in order:

The three cues I come back to

Exhale first, then lift. Not lift and then exhale. The breath makes the shape; the movement follows it. Try one rep where you exhale fully before your head leaves the surface and notice how much less effort the lift takes.

Widen your collarbones. A huge amount of perceived neck pain is actually upper trapezius and levator scapulae gripping. If your shoulders are creeping toward your ears, the neck has lost its base.

Keep the gaze soft and low. Looking at the ceiling pulls the head into extension. Looking toward your knees — or just past them — keeps the cervical spine in the curve the rest of your spine is making.

Why the reformer changes the equation

The reformer gives you something a mat can’t: an adjustable headrest and spring tension you can change mid-exercise. Both are tools for neck strain, and both are underused.

The headrest is not a comfort feature. Raised, it supports the weight of the head so you can practice the rib descent and the exhale without the full load. Lowered, it demands the deep neck flexors work. Which one is right depends entirely on what you can currently control — not on what the person next to you is doing.

Spring tension does something similar. In footwork or a hundreds position with the straps, heavier springs can actually anchor the shoulder girdle and give the trunk something to organize against. Lighter springs demand more from you. There’s no universally correct setting, and a good instructor changes it when the quality of your movement changes, not on a schedule. If you’re newer to all of this and want to know what to expect before you walk in, I wrote a beginner’s guide to your first reformer class that covers the setup side of things.

Scaling abdominal work so your neck stops taking over

The honest fix for most people isn’t a clever cue. It’s doing less, better, until the pattern changes.

1. Keep the head down entirely. Do the full exercise with your head resting. Arms pump, legs extend, breath cycles — only the head stays supported. This is not a lesser version. It’s the version that builds the thing you’re missing.
2. Add the head back for short bursts. Five breaths up, rest the head, five breaths up. Interval the load instead of grinding through it.
3. Support with a hand. One hand cradling the back of the skull, elbow wide, is a legitimate and long-standing option. It offloads the neck without removing the abdominal demand.
4. Reduce the lever. Legs in tabletop instead of extended. Knees bent instead of straight. Shorter lever, less pull on the pelvis, less compensatory recruiting upstream.

If you sit at a desk in Salt Lake City or Lehi for eight hours a day, your head is already living slightly forward of your shoulders by the time you get to class. That’s not a character flaw — it’s a loading history. It does mean the neck arrives at abdominal work already tired, and it means the first few weeks of honest scaling will feel underwhelming. Let it.

When neck pain isn’t a technique problem

I want to be straight with you about the limits here. Everything above addresses mechanical overload — the neck doing the trunk’s job. That’s the common case, and it responds well to cueing and scaling.

But some neck pain isn’t that. Pain that radiates down an arm, numbness or tingling in the hands, pain that wakes you at night, pain following a car accident or a fall, headaches that are new and unusual for you — those belong with a physician or a physical therapist first, not with a cue adjustment. Pilates can be excellent complementary work alongside that care. It isn’t a substitute for a diagnosis.

If you’ve already seen a clinician and they’ve given you parameters, bring me what they said. I can work within specific restrictions much better than I can work around vague ones.

Small groups, private attention, and why it matters here

Neck strain in abdominal work is a quality problem, not a quantity problem. It gets solved by someone watching your ribcage and telling you the truth about what they see — then changing the exercise in real time.

That’s easier in a small group than a packed room, and easier still one-on-one. You can see the class formats to get a sense of how things are structured, and if you’d rather talk it through first, get in touch and tell me what’s going on with your neck. I’ll tell you what’s currently open and what I’d start you with.

So the fix for a neck that hurts during ab work comes down to one reframe: stop trying to make the neck stronger and start making the trunk do its job. Exhale before you lift. Let the ribs come down. Keep the head supported until the abdominals can genuinely carry it. The neck quiets down when it finally gets to stop being the understudy.

— Bianca

Common questions about neck pain in Pilates

About Bianca

I’m a certified reformer Pilates instructor and the founder of Alchemize Pilates. I teach small-group reformer classes, one-on-one private sessions, and online programs for people across the Wasatch Front who want movement that actually holds up outside the studio.

Curious where to start? Have a look at the class formats, or reach out and tell me what you’re working with.