Common, usually mild, and volleyball is a safe sportEmerging evidence
A sore back after volleyball is common, and it usually settles. The NHS says back pain "usually improves within a few weeks but can sometimes last longer or keep coming back". In 75 elite men asked every week over three seasons, about 1 in 5 had a low back problem at any one time (21%), and players who started the season with a complaint had more during it. Of 123 elite Japanese high school players, 48.0% had had low back pain in the past year, and in 79 adult players, "Back pain is a common medical condition among volleyball players and most often has a mild course".
Serious harm is rare. At 32 international events over 4 years, the world governing body's surveillance found "Volleyball is a very safe sport, even at the highest levels of play": "Across all age and sex groups, the ankle was the most commonly injured body part (25.9%), followed by the knee (15.2%), fingers/thumb (10.7%) and lower back (8.9%)", the lower back was the commonest site of muscle strains, and 47.3% of all injuries cost no time at all. At the 2001 beach world championships, "The three most common overuse conditions were low back pain (19%), knee pain (12%), and shoulder problems (10%)"; in Dutch club players, overuse injuries were uncommon and "the back and the shoulder were the most common sites"; and in US college players, injuries that cost less than a day "accounted for over half of all injuries reported in men’s and women’s volleyball".
Sources 1, 2, 3, 4, 5, 21, 23, 22
Volleyball players don't have more back pain than other athletesEmerging evidence
Back pain is common in all sport: across 86 studies of adult athletes, 12-month prevalence was 51%, and "Current evidence is insufficient to identify which sports are at highest risk". A review of 43 studies found the lower back the commonest place for athletes' pain, with how many had it at any one time ranging from 18% to 65% in the better studies.
In 1,114 German elite athletes, "point prevalence from 28% (volleyball) to 74% (water polo)", and in elite overhead athletes (badminton, beach volleyball, handball, tennis and volleyball) the authors write "the elite athletes who engaged in repetitive overhead activities did not suffer more from back pain than the physically active controls". In 79 adult players, "In total, 20 (66.7%) participants rated their back pain as mild, and only 1 (3.2%) athlete graded back pain as severe". These are surveys at one point in time: they show how often players notice their backs, not what causes the pain.
Sources 9, 24, 6, 7, 4
Arching to hit and serve, and what else brings it onEmerging evidence
Spiking and the jump serve arch the low back as the arm cocks back, then bend and twist it through the hit (our reading). In a trial in 70 Japanese school players, "Lumbar extension accounted for nearly 70% of LBP incidences" (LBP is low back pain; extension is bending backwards), and the governing body's medical commission advises "minimizing extremes of or repetitive flexion and/or extension". It also notes that "an elite volleyball player, practicing and competing 16 to 20 hours per week, may perform as many as 40,000 spikes in one season". Yet in 123 school players, "The volleyball-specific movements that induced pain were diverse (e.g., spike, serve, and pass) with no common factor". No study has measured the spine's loads in the spike or tested whether a different hitting technique protects the back.
Load, years and earlier pain matter more than any one movement. Across sports, "A previous episode of LBP, high training volume, periods of load increase and years of exposure are common risk factors". In the school players, more years of volleyball and an ankle injury in the previous year went with back pain; in a related analysis, tight hip flexors and a stiffer hitting shoulder did too. In 566 Japanese players aged 6 to 15, "The point prevalence of LBP among young volleyball players was 9.5%", and players with knee or ankle pain had much higher odds of back pain. A review of 80 studies of adolescent athletes found sport volume and intensity, and pain in the legs, among the possible risk factors. These are associations, not proof of cause.
Sources 8, 11, 3, 9, 36, 26, 25
Teenagers: a stress fracture of the lower spineStrong evidence
Spondylolysis is a crack, usually a stress fracture, in the thin bridge of bone at the back of a vertebra (the pars), most often the fifth lumbar vertebra. The American Academy of Orthopaedic Surgeons (AAOS) says spondylolysis and spondylolisthesis "are more likely to occur in young people who participate in sports that require frequent overstretching (hyperextension) of the lumbar spine", and the NHS says a stress fracture "is more common in young athletes and gymnasts".
In clinics it is a common finding in teenagers with lasting back pain: "Forty-seven percent of the 100 adolescents were ultimately shown to have a spondylolysis stress fracture of the pars interarticularis", against 5% of adults; "The medical charts of 1025 adolescent athletes with LBP (age 15 ± 1.8 years) were examined; 308 (30%) were diagnosed with a spondylolysis"; and across 9 studies of athletes with back pain, 41.7%. In a review of adolescent athletes, "The most common morphology reported was spondylolysis". These are clinic samples, so the shares are much higher than among all young players with sore backs.
Volleyball is not singled out: no sport ranking we found names it as high risk, and volleyball was the commonest sport among 64 Japanese girls treated for spondylolysis at one centre, a count that reflects who plays rather than a risk. The governing body's medical commission says that if a young athlete's low back pain is made worse by bending backwards, a stress fracture "should be ruled out". For comparison, 5.9% of 2,000 Japanese adults scanned for other reasons had a pars defect without knowing it, and 6 of 29 professional beach players had one on MRI with no link to who had pain.
Sources 37, 38, 10, 27, 28, 25, 39, 32, 11, 17
Nerve pain, the upper back and beach volleyballEmerging evidence
Nerve pain (sciatica, often from a disc) is uncommon in players. The AOSSM's tip sheet says low back pain with pain spreading down the legs and numbness or weakness in the foot or ankle may be a herniated disc, and that most players can return once the pain, numbness and weakness have gone (our paraphrase: the sheet's two columns run together in its saved text, so it isn't quoted here).
Elite volleyball players report "a distinct problem of upper back pain" as well as low back pain. An ache between the shoulder blades after a lot of hitting is usually the shoulder blade and upper back muscles; our volleyball shoulder guide covers the hitting shoulder, and the NHS asks for a GP check for pain at the top of the back between the shoulders.
Beach volleyball has fewer sudden injuries but plenty of overuse backs: in 29 professional beach players, "Whereas 86% of players suffered from LBP during their career, the incidence of LBP in the last 4 weeks was 35%", with average pain of 3 out of 10.
Sources 13, 7, 17
When a scan or test mattersStrong evidence
Most back pain after volleyball needs no scan: the National Institute for Health and Care Excellence (NICE) says "Do not routinely offer imaging in a non-specialist setting for people with low back pain with or without sciatica". Scans of people without symptoms often show changes: "The prevalence of disk degeneration in asymptomatic individuals increased from 37% of 20-year-old individuals to 96% of 80-year-old individuals", and in professional beach players "Abnormal MRI findings did not correlate with LBP, thus MRIs have to be interpreted with caution" (MRI is magnetic resonance imaging).
A teenager with suspected spondylolysis is different. The NHS says a GP may arrange an X-ray for a slip, the AAOS describes X-rays from several angles, and the 2026 trial confirmed active spondylolysis by MRI ("participants underwent MRI of the lumbar spine at baseline for diagnosis"), which avoids the radiation of a CT scan in a young person (our note). An urgent MRI in hospital matters with the cauda equina signs, and an X-ray after a fall with pain in one spot over the spine.
Sources 16, 31, 17, 38, 37, 18
How it usually goesEmerging evidence
In 33 groups of people with new low back pain, average pain fell from 52 out of 100 to 23 at 6 weeks and 6 at a year, and in players most problems don't stop play: 47.3% of injuries at international events cost no time.
Spondylolysis in young people usually does well without surgery: "A meta-analysis of observational studies suggests that 83.9% of patients treated nonoperatively will have a successful clinical outcome after at least 1 year"; "Adolescent athletes RTP 92.2% of the time with nonoperative management" (RTP is return to play); a review gives a return to sport in 3.7 months on average with conservative care; and in the 2026 trial, starting physiotherapy straight away allowed "a full return to sport without pain or dysfunction after a median of 2.5 months".
A previous episode is the strongest known risk factor for back pain in athletes, which is a reason to keep the strength work going once you're back on court. No one can promise a date.
Sources 19, 5, 29, 12, 30, 18, 9
When it isn't volleyball: the causes the warning signs cover
Some back pain has causes volleyball didn't create, or needs more than a plan, and the warning signs follow the pages behind them. Numbness around the genitals or bottom, bladder or bowel changes or symptoms in both legs can be cauda equina syndrome, as the NHS back pain and sciatica pages say, and a Leicestershire NHS physiotherapy leaflet lists the leg pain that needs a same-day check. After a fall, the NHS falls page gives the 999 signs; NHS inform's back problems page covers a significant injury in the last week; and a neck injury follows NHS inform's neck injury page and NICE's spinal injury guideline.
Sudden, severe tummy or back pain can be a burst abdominal aortic aneurysm, back pain with a fever can be a kidney infection, a foot that slaps down can be foot drop, and new back pain after cancer needs the cancer team, as the NHS pages and NICE's guideline on spinal metastases say. A hot, swollen joint can be an infection, as the NHS septic arthritis page says, and fainting or chest pain on court needs a 999 call, as the NHS fainting and chest pain pages say.
A teenager's back pain that is worse arching backwards can be a stress fracture: clinic series and long-term studies of spondylolysis, and the NHS spondylolisthesis page, are behind those lines, and NHS children's physiotherapy services in York and Scarborough and in Gwent say when a child's back pain needs a GP. Lasting back pain and stiffness in a young adult can be ankylosing spondylitis, as the NHS page and NICE's spondyloarthritis guideline describe; and new back pain after a minor fall from 50 can be a spinal fracture, as the Royal Osteoporosis Society, the AAOS, the UK osteoporosis guideline (NOGG) and NICE's osteoporosis guidance say.
Sources 1, 43, 50, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 10, 27, 56, 57, 38, 58, 59, 60, 61, 62, 63, 64, 65
