Yoga is safe for most people, and serious neck injury is rareStrong evidence
In 94 trials (8,430 people) that reported side effects, yoga was about as safe as usual care and other exercise. Across 9 observational studies (9,129 practitioners), 4.6% had a side effect in the past year, most of them mild and short-lived, and serious ones affected 1.9%; in an online survey of 2,620 practitioners, 4% had had a severe injury over their years of practice. In a self-selected Australian survey, 78.7% of 2,353 practitioners had never been injured in yoga, and new injuries under supervision in the past year were 2.4%; a German survey found 0.60 acute injuries per 1,000 hours of practice.
US emergency departments saw about 17 yoga injuries a year per 100,000 people who practised in 2014, and about 58 per 100,000 at 65 and over. That study counts the neck inside the head, so it gives no neck figure, and no study gives a rate for neck injury in yoga. Neck pain is common anyway: 30% to 50% of adults have some in a year, so many people bring a sore neck to class.
Sources 1, 2, 3, 4, 5, 6, 7
What yoga asks of the neckEmerging evidence
Most of a class is kind to the neck. Four groups of poses load it more: weight on the head or neck (headstand, shoulder stand and plough); looking up (cobra, upward dog, camel, wheel and fish); turning the head hard (twists, and triangle or revolved poses when you look up); and holding the head up against gravity (boat pose, core work, side planks). Chaturanga, plank and downward dog load the shoulders, and the neck can tighten when the shoulders shrug. Sorting neck pain by these groups is our reading: headstand is the only one whose neck load has been measured.
In a lab study of 45 experienced practitioners, the head carried up to 40% to 48% of body weight at peak moments in headstand, and going up with straight legs together lowered the load. When the neck does get hurt, the poses named most often are the inversions: in the Australian survey, headstands were linked with 7.4% and shoulder stands with 6.3% of reported injuries; in the German survey, hand-, shoulder- and headstands were linked with 29.4% of acute problems, and chronic neck pain was among the long-term ones; and in published case reports headstand is the pose named most often (10 of 76 cases, and 15 of 84 in a 2026 review). Teachers and clinicians in a survey of 1,336 linked neck injuries with headstand and shoulder stand, which is belief rather than a measured rate.
Sources 8, 5, 6, 9, 10, 11
Who gets itEmerging evidence
Beginners who try inversions before the shoulders and arms can take the weight: the US health agency advises beginners to avoid headstands, shoulder stands, the lotus position and forceful breathing. Anyone stepping up to a harder, faster or hot class. Older adults, who have higher emergency department rates for yoga injuries. People whose neck was already sore, or who have neck arthritis, which the NHS calls "a normal part of ageing" that many people have without symptoms. And people with existing joint or muscle problems, who notice aches after a class more often, in a Japanese survey of 2,508 class-goers.
Sources 12, 4, 13, 14
Rare but serious: neck arteries, the spinal cord and spinal fluidEmerging evidence
A torn neck artery (cervical artery dissection) is rare from any cause. In a Minnesota population study, it affected about 2.6 people per 100,000 a year, head or neck pain was the commonest symptom, and 92% had a good outcome; a later study in the same county found a higher rate, which its authors put down mainly to more scans being done. Many follow an everyday movement or a minor strain: in 966 people with a tear, 40.5% had some neck injury in the month before, 88% of it mild. Among 190 published cases linked with 45 sports, yoga accounted for 4, alongside running, golf, scuba diving and weight lifting. These are figures for all causes and for published cases, not a rate for yoga.
The yoga reports are single cases: a young man in 1977 after turning his head hard in a shoulder stand, whose doctors called yoga a rare cause of this kind of stroke; a 34-year-old woman after unusual neck postures; and a 63-year-old man with neck arthritis who lost his balance in a pose and had two torn neck arteries and pressure on his spinal cord. A 2026 case describes a woman with an underlying artery condition who had blurred vision and dizziness when tipping her head back in upward dog and camel, with less blood reaching the back of the brain on a scan, rather than a tear.
The warning signs of a tear are most often a headache or neck pain, a drooping eyelid and a small pupil on one side, or a pulsing sound in the ear, as well as stroke signs, and older adults may have no pain at all. Two other rare events are on record: a spinal fluid leak with a sudden one-sided headache and neck pain straight after an intense yoga class, and spinal cord damage linked with a daily headstand in one woman. These are single cases among millions of practitioners: they show what the warning signs are for, not a risk.
Sources 15, 16, 17, 18, 19, 9, 20, 21, 22, 23, 24, 25, 26
When a scan mattersStrong evidence
Ordinary neck pain is recognised from the story and an examination. NHS inform says neck problems "are rarely caused by any serious disease or damage", and scans mislead when used alone: 87.6% of 1,211 people without symptoms had bulging discs on magnetic resonance imaging (MRI), including 73.3% of men and 78.0% of women in their 20s.
A scan matters for the warning signs, after a fall from an inversion or an arm balance, and for arm weakness or numbness that isn't settling. Stroke and artery signs are an emergency, and the hospital decides on tests.
Sources 27, 28
How it usually goesStrong evidence
A neck that aches after inversions or backbends usually settles within days once those poses are left out. For a strain or ordinary neck pain, the NHS says "Most neck pain only lasts a few weeks", and NHS inform says "You should see the biggest change in your symptoms within the first couple of weeks" and "Most problems should have improved within 8 weeks."
Neck pain often comes back: between half and three quarters of people report it again 1 to 5 years later, and psychological health and coping were the strongest predictors. A pinched nerve takes longer: most improvement comes within 4 to 6 months, and about 83% recover fully over 2 to 3 years, in a review of 8 studies. In a population study of 561 people, exertion or an injury came before it in only 14.8%. No one can promise a date.
Sources 29, 27, 30, 31, 32