Common in dancers, and usually ordinary back painStrong evidence
Most back pain after a class, a rehearsal or a night out is the same ordinary back pain anyone gets, or soreness in muscles that worked harder or longer than usual. The NHS says back pain "usually improves within a few weeks", and a common cause is "an injury like a pulled muscle".
Low back pain is common in dancers: across 50 studies, a median of 27% of dancers had it at the time and 73% over a year, with wide ranges in ballet, modern and hip hop dancers and weak studies behind the figures. In 289 adult ballet, modern and hip hop dancers, the median pain was 4 out of 10, and back pain was about as common in every style. Most episodes don't stop dancing: in 119 student and professional dancers followed for 9 months, "Seventeen percent of all episodes of LBP resulted in some form of dance activity being completely missed" (LBP is low back pain).
Sources 1, 2, 3, 4, 5
Dancing isn't a high-risk activity per hourEmerging evidence
"Reported injury incidence rates were less than 5 injuries per 1,000 dance hours", with no clear difference between recreational, student and professional dancers. In social salsa, women had about 1.1 injuries and men 0.5 per 1,000 hours, and 78% of women and 86% of men had no salsa injury in the year. Across dance, injuries are mostly overuse and mostly in the legs; the back is the next most reported site.
Sources 6, 7, 8, 9
How big a share is the backEmerging evidence
In three professional ballet companies, injuries "affected mainly ankle, thigh, foot, and lower back", with the lower back about 1 in 10; in contemporary dance students, the lower back was 17.3% of injuries; and in a Swedish ballet company, the lower back and buttock region was 17.9% of 390 injuries, as a systematic review's tables report. In hip hop dancers seen at a London clinic, the lower back was the second commonest site (19%) after the knee.
In pole dancing, 276 dancers reported 1,050 injuries: "59% of injuries were related to lower extremity, 39% to upper extremity and 10% to spine and trunk". Across 5 studies the trunk was 10.5% of pole injuries, although a quarter of dancers in a global online survey reported a back injury. Competitive ballroom (Standard) dancers reported more back injuries than dancers who compete in Latin too.
Sources 10, 11, 12, 13, 14, 15, 16, 17
Arching, lifts and landingsEmerging evidence
Dancers arch their backs often: in 65 online dance videos, they arched 2 to 7 times a minute on average, most in ballet performance. Pain low in the back at the end of an arch is usually ordinary back pain with a sore direction, as our bending backwards guide explains; in a teenager it can be a stress fracture (below).
Lifting a partner loads the lower back heavily. In a lab study of 8 male dancers, the estimated compression on the lower back during ballet lifts exceeded a workplace lifting safety limit, and it was higher when the partner was further away and the trunk straightened faster; the authors suggest "monitoring the number of lifts performed daily". In an Australian ballet company's 4-year records, "Jumping and lifting were the most frequently reported injury mechanisms", and the commonest single injury was at the small joints of the upper back (7%). Male dancers who partner often report back pain and hold negative beliefs about their backs. No study counts back injuries from partnering in social dance; in elite pair skaters, 11 of 33 serious injuries were caused by lifts.
Sources 18, 19, 20, 21, 22
More hours, long rehearsals and long nightsEmerging evidence
In a modern dance company followed for 15 years, the company with more yearly dance hours "was 1.6-times more likely to sustain time-loss-injuries" and 5.6 times more likely to have time-loss overuse injuries; ballet dancers who danced more than 5 hours a day were more likely to have a stress fracture; and professional ballet dancers gave too much workload (35.3%), tiredness and too little recovery as their own reasons for injuries. These are associations, not proof that hours cause injury, but they fit the advice to build hours up gradually.
Sources 23, 24, 10
Heels: not the culprit people thinkEmerging evidence
Many people blame heels for arching the lower back. The evidence is small standing and walking studies of women who weren't dancing, and it doesn't support that: a review found "published research for this topic mostly does not support this belief"; in 50 young adults, "high-heeled shoes did not affect lumbar lordosis in most people while standing" (lordosis is the low back's inward curve); heels flattened the low back curve when standing in a small older study and when walking in 40 women; and in women used to heels, "There were no effects on the lumbar lordosis angle or range of motion under static or dynamic conditions". Professional Latin dancers, who dance in heeled shoes, had a flatter, not deeper, low back curve when standing.
None of these studies measured pain or dancing in heels, so heels may still tire the back and legs over a long night (our reading). A 60-minute stiletto class "increased circulating markers of muscle tissue degradation" in 16 young women.
Sources 25, 26, 27, 28, 29, 30, 31
Pole, hip hop, breaking and twerking
Climbs, inverts and holds load the shoulders and trunk, and our pole dancing page covers conditioning; pole dancers who returned before they had fully recovered from an injury were more likely to be injured again. No study measures back pain after twerking. Hip hop and breaking ask for fast, repeated movements of the hips and trunk and, in breaking, spins and freezes; breakers report the most injuries, and our dance page sets out how falls and power moves can hurt the back and neck.
Sources 14, 32
A young dancer's stress fracture (spondylolysis)Emerging evidence
A stress fracture at the back of a vertebra, from repeated arching, is the important cause not to miss in teenagers. At a children's sports clinic, "The most common skeletal injury was a pars stress reaction/spondylolysis" among young dancers. The figures for how common it is come from young athletes seen at sports clinics, not dancers as a group: 47% of 100 young athletes with back pain had one, against 5% of adults, and so did 30% of 1,025 non-elite adolescent athletes.
The American Academy of Orthopaedic Surgeons (AAOS) says the pain can feel like a muscle strain, spread to the buttocks and the back of the thighs, and get worse with activity and better with rest. In dancers, pain on arching back is the usual clue, as the warning signs say.
Sources 33, 34, 35, 36
Bendy joints, and who gets back painMixed evidence
Very flexible joints are common in dancers and aren't a problem on their own. In 185 student contemporary dancers, "Pre-professional contemporary dancers are at high risk for injuries and hypermobility. However, these two variables are not associated with each other"; in 82 university dancers, the flexibility score didn't differ between injured and uninjured dancers; and in 73 young ballet students, hypermobility and fatigue went with injury. No study links hypermobility with back pain in dancers. For joint hypermobility syndrome, the NHS says "The main treatment is improving muscle strength and fitness so your joints are better protected".
Back pain is likelier after a big increase in hours, a new style, a long rehearsal period, a lot of arching or lifting, or an earlier episode: "A history of LBP was associated with activity limiting LBP", and previous injury is the most consistent risk factor across pre-professional dancers. In a small study, dancers with back pain had less trunk endurance on side planks; in elite ballroom dancers, back pain wasn't explained by a smaller back muscle.
Sources 37, 38, 39, 40, 5, 41, 42, 43
When it isn't dancing: the causes the warning signs cover
Back pain can have causes dancing didn't create: cauda equina syndrome, a broken bone, infection, a burst aortic aneurysm and cancer are rare. The NHS asks for a 999 call for back pain with numbness around the genitals or bottom, new bladder or bowel changes, or pain, tingling, weakness or numbness in both legs, and a same-day check for back pain with a fever or feeling unwell. Sciatica on both sides, or weakness or numbness in both legs that is severe or getting worse, also needs 999. The NHS page on a slipped vertebra (spondylolisthesis) asks you to see a GP for lower back pain, or pain in the thighs or bottom, that doesn't go away after 3 to 4 weeks, and a hot, swollen joint with sudden severe pain can be an infection.
Other warning signs follow the pages behind them. Sudden, severe pain in the tummy or back can be a burst aortic aneurysm, a 999 call, the NHS says; the National Institute for Health and Care Excellence's (NICE's) guideline on spinal metastases covers new back pain in people who have had cancer; the NHS asks you to see a GP if it's hard to lift the front of your foot (foot drop); and ankylosing spondylitis tends to first develop in teenagers and young adults, the NHS says, which is why back pain and stiffness that persists at that age needs a GP. An NHS physiotherapy leaflet asks for an urgent GP appointment or NHS 111 for leg weakness that is getting worse, new leg pain with a history of cancer, human immunodeficiency virus (HIV), tuberculosis (TB) or inflammatory arthritis, or leg pain with a fever, weight loss or night sweats. After a fall, the NHS asks for a 999 call if someone may have injured their head, back, neck or hip or can't get up, and it says heat exhaustion that doesn't settle within 30 minutes of cooling down can turn into heatstroke, an emergency.
From 50, past the menopause or on long-term steroid tablets, sudden back pain after a minor fall, lift, cough or sneeze, height loss or a curving spine can be a spinal fracture from thin bones, as the Royal Osteoporosis Society, the AAOS, the UK's osteoporosis guideline (from the National Osteoporosis Guideline Group, NOGG) and NICE describe. A stress fracture from ordinary activity, more than one stress fracture, periods that have stopped or eating too little for your training needs a GP: an NHS trust's leaflet covers caring for a stress fracture, the International Olympic Committee calls the energy problem relative energy deficiency in sport (REDs), and an Endocrine Society guideline covers periods that stop. And in 500 children followed from the age of 6 for 45 years, about 6% had a stress fracture at the back of a vertebra by adulthood, and a slip rarely got worse after the teenage years, so a teenager's pain on arching is something to get checked, not to fear.
Sources 1, 44, 45, 46, 47, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86
When a scan helps, and how it usually goesEmerging evidence
For ordinary back pain after dancing, no scan is needed: NICE says "Do not routinely offer imaging in a non-specialist setting for people with low back pain with or without sciatica". In a young dancer whose back pain is worse arching and lasts more than a couple of weeks, a GP or sports physiotherapist decides on imaging; a review of imaging in children recommends "two-view plain films to be the best initial study" (plain films are X-rays), with MRI (magnetic resonance imaging) for early diagnosis when more is needed. The one-legged arching test some clinicians use can't confirm or rule it out: "The one-legged hyperextension test is not useful in detecting active spondylolysis and should not be relied on to exclude the diagnosis".
Ordinary back pain "usually improves within a few weeks", and NHS inform says "Most problems should have improved within 6 weeks". For a young dancer's stress fracture, "83.9% of patients treated nonoperatively will have a successful clinical outcome after at least 1 year", bracing made no difference, and about 92% of athletes returned to sport after a mean of 4.6 months without surgery. In a 2026 trial of 64 adolescent athletes, those who started physiotherapy within a week, resting from sport with no brace, met the return-to-sport criteria after a median of 74 days against 112 for those who rested first, with fewer recurrences over a year (3% against 29%). No one can promise a date.
Sources 48, 49, 50, 51, 1, 44, 52, 53, 54