Quick answer: if turning your head, looking up, or tilting your ear towards your shoulder feels tighter than it should, or noticeably different side to side, that's neck stiffness worth paying attention to. A simple self-test takes under a minute and gives you and your physio a useful starting point, especially if it's linked to headaches or that "stuck" feeling first thing in the morning.

Why this matters

A stiff neck is easy to live with until it isn't, a bit of restriction becomes the reason you can't check your blind spot comfortably, or it starts showing up as headaches and shoulder tension you didn't connect to your neck at all. Checking your own mobility gives you an honest picture of where you stand, rather than guessing, and it's something you can do at home before deciding whether it's worth getting properly assessed.

Why necks get stiff

Long periods looking down at a screen, phone or steering wheel are one of the most common causes we see, the neck simply isn't designed to hold one position for hours at a time. Add in tension carried through the shoulders and upper back, disturbed sleep, or an old injury that never fully settled, and it's easy for restriction to build up gradually without you noticing until it's affecting your day. Restricted neck movement is also often behind headaches, nagging shoulder tension, and the stuck feeling a lot of people notice first thing in the morning.

How to test your own neck mobility at home

This is a simple self-test you can do in under a minute, and it's a good first step before deciding whether your neck needs a proper look.

How to do it: sitting or standing tall, work through each of these slowly and gently, never forcing or bouncing into a position:

  • Nod forward and back - drop your chin towards your chest, then look up towards the ceiling.
  • Tilt side to side - try to bring your ear towards your shoulder on each side, without shrugging the shoulder up to meet it.
  • Turn side to side - slowly turn your head to look over each shoulder in turn.

What to notice:

  • How far you get - as a rough guide, most people can turn far enough to bring their chin roughly in line with their shoulder, and tilt far enough to close a good part of the gap between ear and shoulder. The exact number matters less than how it compares to the other side.
  • Whether one side is more limited than the other - a clear left-right difference is often more telling than the movement itself feeling tight.
  • What you feel - general tightness or stiffness is common. Sharp pain, pins and needles, dizziness, or symptoms travelling down an arm are not, and are a reason to stop and get it checked rather than push through.

A useful starting point, not a diagnosis

Sarah Shamia, Senior Physiotherapist at our Hendon NW4 clinic, uses checks like this every day in clinic as a starting point, not an end point. If your desk setup or long days at a screen sound familiar, our guide on preventing and easing "tech neck" covers some of the everyday habits worth changing alongside getting assessed.

"A quick mobility check tells us where to start, but it's the pattern behind the stiffness, not just the stiffness itself, that tells us what's actually going on and how to fix it properly." — Sarah Shamia, Senior Physiotherapist, BOOST PHYSIO Hendon

When neck stiffness is a sign to get it checked

If your neck has felt restricted for more than a couple of weeks, if it's coming with headaches, or if one side is clearly more limited than the other, it's worth getting assessed rather than waiting to see if it settles on its own. Neck stiffness usually responds well to the right hands-on treatment and a tailored exercise plan, particularly when it's caught early rather than after months of working around it.

Our approach: every tool for your best recovery

At BOOST PHYSIO, we believe your best recovery comes from having every tool available, not relying on just one. That's why our physiotherapists combine hands-on manual therapy with targeted exercise rehabilitation, tailored specifically to you and adjusted as you progress. We've seen first-hand, time and again, that patients get the best and most lasting results when both are used together. It's the thinking behind our promise: Your Best Recovery, Guaranteed.

At BOOST PHYSIO Hendon, we offer:

  • ✓  Same day physiotherapy appointments, 8am to 9pm, plus Sundays
  • ✓  Male and female clinicians
  • ✓  Treatment recognised by Bupa, AXA Health, Vitality, WPA, Cigna and Aviva

Book your assessment online now, call 020 8201 7788 or WhatsApp us.

Frequently asked questions about neck mobility

Yes, mild stiffness that builds up after long periods in one position is very common and usually eases once you move around. Stiffness that doesn't ease, or that's getting worse week by week, is worth having looked at.
It varies with the cause, but many patients notice a meaningful improvement within a few sessions, with a fuller recovery typically building over several weeks alongside a home exercise plan.
Yes, cervicogenic headaches, ones that originate from the neck, are a well-recognised pattern, particularly when they come with restricted movement or tenderness in the upper neck. A physiotherapy assessment can help work out whether this is part of what's driving your headaches.
A quick home check is a useful early indicator, but it isn't a diagnosis. If your test shows a clear side-to-side difference, or if pain, pins and needles or dizziness are involved, book an assessment rather than continuing to self-monitor.

Written with Sarah Shamia, Senior Physiotherapist at BOOST PHYSIO Hendon, and the BOOST PHYSIO team. This article is general guidance and is not a substitute for an individual physiotherapy assessment. Reference: normative cervical range of motion, Physiopedia, Cervical Spine Range of Motion.