Does turtle neck cause the pain, or does the pain cause turtle neck?

How far is it true that fixing your posture fixes the pain? We've summarized the evidence.

In this post, "turtle neck" means the posture where the head sits forward of the body (often called "text neck"; the medical term is forward head posture).

Key points in 30 seconds

1. Adults with neck pain have their heads pushed forward 4.8 degrees more on average than adults without neck pain. That's the result of pooling 15 studies.
2. But in teenagers, who look at their phones the longest, there was no link between posture and neck pain. This means posture alone doesn't explain everything.
3. More important still: every included study measured only one point in time, so we can't tell the direction, whether posture caused the pain or the pain made the posture that way.
4. The evidence on treatment is clearer. Pooling 27 clinical trials with 2,485 people, strengthening exercises for the neck, shoulders and shoulder blades reduced pain. On the other hand, stretching alone lacked evidence.
5. So the direction is building strength, not stretching. Acupuncture has evidence for short-term pain relief, so we use it alongside, in the role of getting your body ready for exercise.

What we often hear

• "They said I have turtle neck. I have to correct it to stop the pain, right?"
• "I'm thinking of buying a posture corrector. Will it work?"
• "I stretch every day, but nothing changes."
• "I'm in front of a monitor all day, so there's not much I can do."

Many people come in with a side-view photo of themselves. Along with an order of reasoning: the ear sits in front of the shoulder, so it's turtle neck, so that's why the neck hurts, so correcting the posture will fix it.

This reasoning is half right, and half needs checking. We've summarized how much of it research has confirmed, and which treatments have stronger evidence than that.

Here's what happens on your first day

• Whether it's just your neck, or it goes down into your arm. If your arm tingles or feels weak, it's a different story. We sort this out first.
• We measure your alignment. Not to decide the cause, but to set a baseline to compare against later.
• One exercise to start today. Not stretching, but building the strength to hold up. We'll set the method and number of repetitions for you.

What research says about posture and pain

The medical name for turtle neck is forward head posture: a posture where the head sits forward of the torso. The common belief rests on the logic that this increases the load on the muscles at the back of the neck holding up the weight of the head.

There's an analysis that pooled 15 studies that actually measured this relationship. The results came in three layers.

First, in adults, there was a link. Adults with neck pain had their heads pushed forward 4.8 degrees more on average than adults without, and a relationship was confirmed where the further forward the posture, the greater the pain intensity and the disruption to daily life.

Second, in teenagers, there was no link. Even though they're the generation that looks at smartphones the longest, the posture of teenagers with neck pain was no different from that of teenagers without it. This runs against the worry that "looking at your phone ruins your neck." The researchers saw age as a factor that gets in the middle of this relationship.

Third, and most important. Every included study measured posture and pain together at a single point in time. So we can't tell the direction, whether posture created the pain or the pain created the posture.

A painful neck naturally hunches up and takes a posture with the head pushed forward. Turtle neck could be the cause of the pain, the result, or both. Current research can't sort this out.

To sum up: neck pain and turtle neck in adults clearly go together. But declaring "it hurts because of turtle neck" goes beyond what the research allows. And there's even less established evidence that correcting the angle by a few degrees heals the pain.

So which treatments have evidence?

Apart from the posture debate, on the treatment side there's evidence pointing in a clear direction.

Strengthening exercise. In an analysis pooling 27 clinical trials of exercise therapy for neck pain, with 2,485 people, strengthening exercises for the neck, shoulder blades, rib cage and arms showed clear pain reduction right after treatment for chronic neck pain.

What's worth noting comes next. Stretching alone, and general fitness exercise, stayed on the weak-evidence side: they may not change pain or function. There's a gap between the common advice "stretch your neck" and the actual evidence.

What this analysis means is that stretching alone isn't enough; you need to build the strength to hold up. The exercise was safe, and side effects were temporary and mild.

Acupuncture. A review of acupuncture for neck disorders rated the evidence for short-term neck pain relief as moderate quality. Evidence for long-term effects is relatively lacking. This also means that a combined structure, using acupuncture to control pain and buy time while building strength through exercise in the meantime, fits the evidence.

Manual therapy. There's evidence that manual therapy for the neck bones shows similar effects across different methods. We covered the evidence and limits of this topic separately in the Chuna and manual therapy post.

The limits of this evidence

Not knowing the direction. Studies on posture and pain measured only one point in time, so they can't speak to the direction of cause and effect. The 4.8-degree difference in adults also varies widely from person to person. There's no evidence for telling an individual patient "your angle is the cause of your pain."

The quality of the exercise evidence. As the analysis itself stated, there was no high-quality evidence; moderate was the best. The size of the effect may change with later studies.

Focused on the short term. For both exercise and acupuncture, the focus is from right after treatment to the short term. Whether treatment alone can prevent long-term recurrence while the work environment stays the same is a separate question.

The evidence gap for posture correction devices. There's no established, good-quality evidence that correction bands or braces reduce neck pain. It's the same as what we saw in the back brace post. The answer on braces depends on the condition and the purpose, and there's no evidence either for recommending them across the board or for ruling them out across the board.

What we make clear

We don't promise that your angle will improve by some number of degrees. We measure alignment to set a baseline for comparing before and after treatment, and to look at left-right imbalance and related problems in the shoulders and back. Declaring the measured angle to be "the reason you hurt" and using it as the logic for selling correction products goes beyond the evidence.

Our goal isn't the angle but pain and function.

So these are the standards we use

First, we sort out whether it's just the neck or it goes down into the arm. If tingling, pain or weakness in the arm comes with it, we need to check whether a nerve root is being pinched, rather than a simple muscle problem. In that case, a neurological exam and imaging come first, not talk about posture. The same goes for pain that started after an injury, pain that gets worse even at rest at night, and pain that comes with fever or weight loss.

Second, we treat posture as information, not the cause. Measuring it has value. But we don't declare that number to be the culprit behind the pain.

Third, we see staying in a fixed posture as the problem itself. What creates pain isn't one bad posture but holding any posture for a long time. For the neck, changing position often and moving often is better than finding the perfect posture.

Fourth, we prescribe exercise to build strength, not to stretch. What the evidence points to is strengthening exercise for the neck, shoulders and shoulder blades. We keep stretching as a supplement, give you exercises that build the strength to hold up along with how to do them, and check at follow-up visits that you're doing them.

Fifth, we divide up the roles of treatment. Acupuncture, pharmacopuncture and Chuna work on pain and stiff movement to get your body ready for exercise, and exercise builds the strength that prevents recurrence. If you only repeat treatments and your strength doesn't grow, you end up back where you started.

How we work

We sort out the diagnosis first. At your first visit we check for nerve symptoms in the arm, whether you've been injured, whether it hurts at night, and symptoms throughout the body. If a pinched nerve is suspected, we check together with the radiology clinic on the 2nd floor of the same building before deciding on a direction.

We measure alignment as a baseline. With a posture analysis we measure the alignment and imbalance of the head, shoulders and back, but we use it as a baseline for comparing before and after treatment, not to decide the cause of the pain.

We work on the pain to get your body ready for exercise. We control pain and muscle tension with acupuncture and pharmacopuncture, and restore stiff movement in the neck and back with Chuna (Korean manual therapy). If needed, we also use herbal medicine based on blood and body composition tests.

We give strengthening exercise as a prescription. We set strength exercises for the neck, shoulders and shoulder blades, down to the method and number of repetitions, and at follow-up visits we see how you're doing them and correct them. We don't substitute a stretching-only prescription. We also set daily rules for breaking up long periods in a fixed posture, and your screen height.

We take another look by pain and function. We record your pain score and how far your neck moves and compare them at set points, and if there's no response, we don't repeat the same treatment; we go back to the step of sorting out the diagnosis.

Response to treatment and speed of recovery vary from person to person, depending on what's behind the pain, your work environment, and your current strength. The order in which we look at the neck is laid out in our neck care page.

What changes

The stiffness that came on without fail every afternoon starts to fade. That comes first.

Next are the numbers. Since we wrote down your pain score and how far your neck turns before treatment, you can see with your own eyes how much has changed. We look at this instead of an angle photo.

Please come see us if

• You've been told you have turtle neck and are looking into posture correctors
• You stretch every day but nothing changes
• You're in front of a monitor all day
• Pain starts in your neck and climbs up into your shoulders and head

If your arm tingles or feels weak, please tell us that first. It changes the order of things.

Sources used in this post

Source	What the study looked at	Result
Safiri et al., 2020	Global burden of disease analysis	Neck pain ranks among the top causes of disability
Mahmoud et al., 2019	Pooled analysis of 15 studies measuring posture and neck pain	Adults' heads 4.8 degrees further forward on average, correlated with pain and disability. No link in teenagers. Direction of cause can't be determined
Gross et al., 2015	27 clinical trials of exercise therapy, 2,485 people	Strengthening of neck, shoulder blades and arms reduced chronic neck pain (moderate-quality evidence). Stretching alone lacked evidence. Exercise was safe
Trinh et al., 2016	Clinical trials of acupuncture for neck disorders	Moderate-quality evidence for short-term pain relief

References

1. Safiri S, Kolahi AA, Hoy D, Buchbinder R, Mansournia MA, et al. Global, regional, and national burden of neck pain in the general population, 1990-2017: systematic analysis of the Global Burden of Disease Study 2017. BMJ. 2020;368:m791. doi:10.1136/bmj.m791

2. Mahmoud NF, Hassan KA, Abdelmajeed SF, Moustafa IM, Silva AG. The relationship between forward head posture and neck pain: a systematic review and meta-analysis. Current Reviews in Musculoskeletal Medicine. 2019;12(4):562-577. doi:10.1007/s12178-019-09594-y

3. Gross A, Kay TM, Paquin JP, et al. Exercises for mechanical neck disorders. Cochrane Database of Systematic Reviews. 2015;(1):CD004250. doi:10.1002/14651858.CD004250.pub5

4. Trinh K, Graham N, Irnich D, Cameron ID, Forget M. Acupuncture for neck disorders. Cochrane Database of Systematic Reviews. 2016;(5):CD004870. doi:10.1002/14651858.CD004870.pub4

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You're welcome to bring your turtle neck photo. But rather than correcting that angle, we'll set up a plan aimed at building the strength your neck needs to hold up.

For questions or appointments, message us in English through the messenger at the bottom right of the page, or call +82-53-716-1175.