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Aquatic therapy versus standard care in 34 patients with chronic low back pain

Aquatic therapy versus standard care in 34 patients with chronic low back pain
Photo by Navy Medicine / Unsplash
Key Takeaway
Consider aquatic therapy as a potentially comfortable alternative for addressing psychological factors in chronic low back pain.

This randomized controlled trial investigated the effects of aquatic therapy compared to standard care in a population of 34 individuals with chronic low back pain. The study followed participants for a duration of 10 weeks to assess various clinical and psychological outcomes. The primary focus included pain, disability, and quality of life, alongside secondary outcomes such as anxiety, depression, pain catastrophizing, kinesiophobia, and sleep disturbance.

Regarding the main results, both the aquatic therapy and standard care groups demonstrated significant improvements in pain, disability, and quality of life, with p-values less than 0.05 for these measures. No significant group-by-time interactions were found for these primary outcomes, indicating that the trajectory of improvement was similar across both groups. However, specific secondary outcomes favored the aquatic therapy group. Significant reductions in kinesiophobia were observed only in the aquatic therapy group (p = 0.002), and significant reductions in sleep disturbance were also observed only in the aquatic therapy group (p = 0.001).

Safety and tolerability data were not reported in this study, and no adverse events, serious adverse events, or discontinuations were documented. The study limitations include the small sample size of 34 participants, which may affect the precision of the estimates. The practice relevance suggests that aquatic therapy may offer a more comfortable treatment alternative to address psychological factors associated with chronic low back pain.

Study Details

Study typeRct
Sample sizen = 34
EvidenceLevel 2
PublishedApr 2026
View Original Abstract ↓
BACKGROUND: Anxiety, depression, and pain-related fears are highly prevalent among individuals with chronic low back pain (CLBP). While aquatic therapy is a promising treatment modality for CLBP, its effects on psychological factors remain poorly understood. OBJECTIVE: To compare the effects of aquatic therapy (AT) versus standard care (SC) on psychological outcomes, pain, and disability in CLBP. METHODS: In this two-arm randomized controlled trial, 34 participants with CLBP were assigned to AT ( = 18) or SC ( = 16). Both groups received bi-weekly individual sessions over 10 weeks. Pain, disability, quality of life, anxiety, depression, pain catastrophizing, kinesiophobia, and sleep disturbance were assessed using the following validated questionnaires; Numerical Pain Rating Scale, Modified Oswestry Low Back Pain Disability Index, Short-Form 12 Item Survey Questionnaire, Hospital Anxiety and Depression Scale, Pain Catastrophizing Scale, Tampa Scale of Kinesiophobia and Insomnia Severity Index, respectively. RESULTS: Mixed-design analysis of covariance revealed no significant group*time interactions for any outcomes (all  > 0.05). Both groups improved significantly in pain, disability, quality of life, pain catastrophizing, and anxiety (all  < 0.05). Only AT demonstrated significant reductions in kinesiophobia ( = 0.002) and sleep disturbance ( = 0.001). CONCLUSIONS: Aquatic therapy may offer a more comfortable treatment alternative to address psychological factors associated with CLBP. CLINICAL TRIAL REGISTRATION: www.clinicaltrials.gov identifier is NCT05823857.
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