Does looking down at your phone really put 60 pounds of pressure on your neck? That famous figure comes from a 2014 computer model by New York spine surgeon Dr. Kenneth Hansraj. It estimated that the load on the neck rises from about 10–12 pounds (4.5–5.5 kg) when the head is upright to about 60 pounds (27 kg) when it tilts forward 60 degrees. The numbers are a useful way to understand neck mechanics, but they are an estimate, not a measurement, and later research has not found that phone posture by itself causes neck pain or spinal deformity.
Here is what the model actually said, what studies since then have found, and what sensible habits look like if you spend hours on a phone.
What the Hansraj figures say
Hansraj, then chief of spine surgery at New York Spine Surgery & Rehabilitation Medicine, published his paper in the journal Surgical Technology International in late 2014. He described its aim like this: "The purpose of this study is to assess the forces incrementally seen by the cervical spine as the head is tilted forward, into worsening posture."
The illustration above, based on the paper, shows the estimated load at each angle:
- 0 degrees (head upright): about 10–12 lb
- 15 degrees: about 27 lb
- 30 degrees: about 40 lb
- 45 degrees: about 49 lb
- 60 degrees: about 60 lb
The reason is simple leverage. The head is heavy, and the further it moves in front of the spine, the harder the muscles at the back of the neck must pull to hold it up. A bowling ball held close to your chest feels lighter than the same ball held at arm's length; your neck experiences something similar.
Hansraj also estimated that people spend two to four hours a day with their heads bent over phones and tablets, which adds up to between 700 and 1,400 hours a year. In the paper he warned that such stresses "may lead to early wear, tear, degeneration, and possible surgeries." The word "may" matters: the model did not track anyone's spine over time.
A model, not a scan of real spines
The study did not weigh, scan or follow phone users. It used a mathematical model of the head and neck to calculate forces at different angles. That is a legitimate approach in biomechanics, but it has limits.
- Nobody holds the head at exactly 60 degrees for hours without moving. Real posture shifts constantly.
- Muscles, ligaments and discs adapt to the loads they carry. Tissue that is used regularly tends to get stronger, not simply wear out.
- The figure describes force, not damage. A load that is higher than at rest is not necessarily harmful, in the same way that carrying shopping bags is not harmful just because it loads the back.
So the viral version that circulated online, which claimed texting causes severe deformity of the spine, went well beyond what the paper showed. It described a calculated force, not a deformity seen in phone users.
What later research found
Heads-down posture is everywhere: in queues, on buses, in waiting rooms. If it were a powerful cause of neck damage, researchers would expect to see a clear link between the posture and neck pain. So far, that link has been hard to find.
In 2018 a team led by Gerson Damasceno in Brazil studied 150 young adults aged 18 to 21. Physiotherapists rated photos of each person's posture while texting, and the participants answered questions about neck pain. After adjusting for factors such as age, height, weight and daily phone time, the researchers reported in the European Spine Journal: "This study did not show an association between text neck and neck pain in 18–21-year-old young adults."
A five-year cohort study of young adults in Sweden by Gustafsson and colleagues, published in 2017, also found no clear link between texting time and new neck pain, although it did not measure posture directly. Neither study is the final word: both have limits, and it is possible that very long, uninterrupted sessions matter for some people. But together they suggest that neck pain has many causes, including stress, sleep, general fitness and overall activity, and that phone posture is at most one factor among many.
Common myths about "text neck"
Myth: looking down puts a 60-pound weight on your neck. No object is placed on your neck. The figure is the calculated muscle and joint force needed to hold the head at a steep 60-degree angle.
Myth: phone use is permanently deforming young people's spines. There is no good evidence that ordinary phone use causes spinal deformity. Conditions such as scoliosis have other causes and are not produced by texting.
Myth: there is one correct posture. Physiotherapists increasingly say that the best posture is the next one. Changing position often is more important than holding any "perfect" pose.
Myth: if your neck aches after scrolling, something is damaged. Stiffness after a long session usually reflects tired muscles, which recover with movement and rest.
Practical habits for long phone sessions
Even if the scare stories are exaggerated, spending hours in one position is not comfortable. These simple habits help, and they cost nothing:
- Raise the screen. Hold the phone closer to eye level, or rest your elbows on a table or your bag so your arms do not tire.
- Move your eyes, not just your head. Hansraj himself suggested glancing down with the eyes while keeping the neck closer to neutral.
- Take short breaks. Look up, roll your shoulders and turn your head gently every 20 to 30 minutes.
- Vary your position. Switch between sitting, standing and lying back with the phone supported.
- Stay active. Regular exercise, including strength work for the upper back and shoulders, is good for the neck and for general health.
- Use the phone less when you can. A walk without a screen is good for your neck, your eyes and your mood.
As the photo of visitors absorbed in their phones beside landscape paintings suggests, the bigger cost of constant scrolling may be what we stop looking at, rather than what happens to our spines.
When to see a doctor
Most neck stiffness eases within days. If neck pain lasts for weeks, keeps coming back, follows an injury, or comes with numbness, tingling or weakness in the arms, headaches that are severe or unusual, or problems with balance, talk to a doctor or a physiotherapist. They can look at your own situation rather than a general model.
Sources: Kenneth K. Hansraj, "Assessment of stresses in the cervical spine caused by posture and position of the head", Surgical Technology International (2014); NPR, 20 November 2014; Damasceno et al., European Spine Journal (2018); IASP Relief: Text neck pain. Illustration and photos via Wordless Tech and My Science Academy.
Related:- 6 Bad Postures That Are Ruining Your Health & How To Correct Them
- How To Fix Common Body Problems By Sleeping In The Right Position
- Charlene deGuzman and Miles Crawford’s Film About Phone Distraction
- Napping can Dramatically Increase Learning, Memory, Awareness, and More
- Alternative Sleep Cycles: 7-10 Hours Are Not Needed
- Hydration and Dehydration: Correcting Common Claims About Water
- What Does Your Tongue Say About Your State Of Health?
- Did You Know What Your Fingernails Can Say About Your Health?
- Five Foods and Common Liver-Cleansing Claims
- How To Clean Your Arteries With One Simple Fruit
- How to Clear a Stuffy Nose in 1 Minute
- A Recipe For Fat Flush Water (It Literally Flushes Fat)
COMMENTS