Fibromyalgia is a nociplastic pain syndrome that affects between 2% and 4% of the world adult population — preferentially women — and is characterized by generalized musculoskeletal pain, fatigue, sleep disturbances, and cognitive impairment. Physical exercise is recognized by the main clinical guidelines as a non-pharmacologic therapeutic pillar, but the choice of which modality to prioritize for each outcome was never clear. A network meta-analysis published in Complementary Therapies in Medicinenow offers the most comprehensive ranking to date: eight aerobic modalities evaluated in 20 randomized clinical trials, with 1,196 patients.
The main result differentiates winners by outcome: swimming is the modality with the greatest impact on general health (measured by the Fibromyalgia Impact Questionnaire, FIQ), Liuzijue — a breathing and movement exercise of Chinese origin — surpasses the others in pain control and sleep quality, and walking stands out for depressive symptoms, although without reaching statistical significance for this last outcome.
Fibromyalgia and exercise: why modality matters
The pathophysiology of fibromyalgia involves central sensitization, HPA-axis dysfunction, and alterations in the descending pain modulation system. Aerobic exercise acts on this substrate in multiple ways: it increases the endogenous release of endorphins and serotonin, reduces sympathetic nervous system activation, improves slow-wave sleep efficiency, and, in the long term, promotes neuroplasticity in cortical regions involved in pain regulation.
However, the choice of modality is relevant because patients with fibromyalgia have reduced exertion tolerance and increased risk of post-exercise pain exacerbation — a phenomenon termed post-exertional malaise in subgroups with overlap with chronic fatigue syndrome. Modalities of low joint impact and high body-awareness component may be more sustainable in the long term than conventional high-intensity aerobic exercise.
EXERCISE IN FIBROMYALGIA — STUDY OVERVIEW
The eight modalities: what each one is
The meta-analysis compares modalities that combine aerobic movements with elements of breathing, posture, or body awareness:
The 8 aerobic modalities evaluated
- Swimming — aerobic exercise in aquatic medium, without joint impact; body weight is supported by water
- Liuzijue (六字訣) — Chinese qigong exercise that combines rhythmic breathing with six sound vocalizations and slow limb movements; belongs to the family of traditional Chinese movement medicines
- Tai Chi Chuan — millennial practice of slow and fluid movements with meditative component; widely studied in chronic pain syndromes
- Yoga — combination of postures (asanas), breath control, and meditation; the most widely studied modality in fibromyalgia
- Pilates — conditioning method that emphasizes core stability, postural alignment, and conscious breathing
- Dance — aerobic exercise with social and recreational component; additional benefits on mood and long-term adherence
- Walking — low-impact aerobic exercise of maximum accessibility; the basis of physical-activity recommendations in fibromyalgia guidelines
- Baduanjin (八段錦) — eight gentle qigong movements; especially studied in older populations with chronic pain
Results: winners by outcome
HIERARCHY OF MODALITIES BY OUTCOME
| OUTCOME | MOST EFFECTIVE MODALITY AND EFFECT SIZE |
|---|---|
| General health (FIQ — 0-100 scale, lower = better) | Swimming: MD = -23.36 (95% CI: -40.77 to -4.32) vs. control · clinically relevant effect |
| Pain intensity (0-10 scale) | Liuzijue: MD = -3.69 (95% CI: -5.37 to -2.02) vs. control · large magnitude |
| Sleep quality (PSQI — lower = better) | Liuzijue: MD = -5.29 (95% CI: -8.98 to -1.64) vs. control · significant |
| Depressive symptoms (BDI or similar) | Walking: MD = -5.99 (95% CI: -14.67 to 2.74) vs. control · NOT significant (p = NS) |
Heterogeneity between studies was considerable for several outcomes, which the authors attribute to differences in protocol (frequency, duration, intensity of sessions) and in the included populations. Pilates and Tai Chi also demonstrated benefits on general health and pain in subgroups, but did not reach the top of the ranking in any of the primary analyses.
DETAILED RESULTS — SWIMMING AND LIUZIJUE
Frequently Asked Questions
Liuzijue (六字訣, "six healing sounds") is a qigong practice from traditional Chinese medicine that combines slow limb movements with six specific breathing patterns, each associated with a visceral organ. From a Western perspective, the proposed mechanisms include activation of the parasympathetic nervous system through controlled breathing (similar to respiratory biofeedback), cortisol reduction, and pain modulation by endogenous endorphins. The studies included in this NMA used protocols of 45-60 minutes, three to five times a week, for 8-12 weeks.
For most patients, swimming and aquatic gymnastics are the modalities with the best tolerability, since they eliminate joint impact and allow movements in greater amplitude without post-exertional pain. Caveats include: difficulty of access (not everyone has a nearby pool), risk of infections in public pools in immunosuppressed patients, and possible chlorine intolerance. For patients with limitation in shoulder range of motion — frequent in fibromyalgia with rotator-cuff syndrome component — adaptations are needed.
The guidelines of the Brazilian Society of Rheumatology (2026) and the European Alliance of Associations for Rheumatology (EULAR) recommend, as initial goal, 150 minutes per week of moderate-intensity aerobic activity, distributed in 3 to 5 sessions. Progression should be gradual — start with 20-30 minutes three times a week and increase 10% per week, according to tolerance. Longer sessions, once a week, have worse tolerability and greater risk of pain exacerbation.
In most patients, exercise is complementary to pharmacotherapy, not a substitute. The guidelines recommend a multimodal approach: exercise + pain education + rational pharmacologic treatment (amitriptyline, duloxetine, pregabalin according to profile). However, studies show that patients who adhere to consistent exercise over 6 to 12 months frequently achieve reduction of medication doses with the attending physician. Exercise also has a much superior long-term safety profile to pharmacotherapy.
Yes, and the SBR 2026 guidelines recommend exactly this combination. Mechanistically, acupuncture and exercise act on complementary pathways: acupuncture modulates central neurotransmitters (serotonin, endorphins) and the connectivity of the pain circuit (neuroimaging studies published in Arthritis & Rheumatology), while exercise promotes neuroplasticity and systemic metabolic improvement. National studies demonstrate that the combination of acupuncture + low-dose amitriptyline + exercise produces benefit superior to any of the interventions alone.
Sources consulted
- Yuan W, Yan P, Gao F, Liu N, Zou Y. Effectiveness of aerobic exercise in fibromyalgia: a systematic review and network meta-analysis. Complement Ther Med. 2026;98:103352. DOI: 10.1016/j.ctim.2026.103352.
- Heymann RE, Paiva ES, Martinez JE, et al. Brazilian Society of Rheumatology guidelines for the treatment of fibromyalgia — Part I and Part II. Advances in Rheumatology. 2026. DOI: 10.1186/s42358-025-00483-2.
- Macfarlane GJ, Kronisch C, Dean LE, et al. EULAR revised recommendations for the management of fibromyalgia. Ann Rheum Dis. 2017.
- Mawla I, Ichesco E, Zöllner HJ, et al. Greater somatosensory afference with acupuncture increases primary somatosensory connectivity and alleviates fibromyalgia pain via insular GABA. Arthritis Rheumatol. 2021.
- Busch AJ, Barber KA, Overend TJ, Peloso PM, Schachter CL. Exercise for treating fibromyalgia syndrome. Cochrane Database Syst Rev. 2007.
Fonte Original
Complementary Therapies in Medicine(em inglês)Founded in 1989 by physicians trained at the University of São Paulo (USP) and specialized in China, CEIMEC is a Brazilian national reference in the teaching and practice of medical acupuncture. With more than 3,000 physicians trained over 35 years, it collaborates with HC-FMUSP and is recognized by the Brazilian Medical College of Acupuncture (CMBA/AMB).