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Effectiveness of functional training versus resistance exercise in patients with psoriatic arthritis: randomized
Diego Roger Silva1, Sandra Mara Meireles1, Christine Brumini1
1Rheumatology Division, Universidade Federal de São Paulo, Escola Paulista de Medicina, Rua Botucatu, 740;, São Paulo, SP, CEP: 04023-900, Brazil.
Objective:
This study aims to evaluate the effect of functional versus resistance exercise training on the functional capacity and quality of life of psoriatic arthritis patients.
Methods:
Forty-one psoriatic arthritis patients (18 to 65 years old) were randomized into two groups: functional training group and resistance exercise group. The functional training group underwent functional exercises with elastic band and the functional training group underwent machine resistance exercise twice a week for 12 weeks. Outcome measures were: The Bath Ankylosing Spondylitis Functional Index (BASFI) and Health Assessment Questionnaire for the Spondyloarthropathies (HAQ-S) for functional capacity and functional status, one-repetition maximum test for muscle strength, the Short Form 36 health survey questionnaire (SF-36) for quality of life, and the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and the Disease Activity Score 28 (DAS-28) for disease activity. Analyzes were performed by a blinded evaluator at baseline (T0), six (T6) and twelve (T12) weeks after the beginning of the exercise.
Results:
At baseline, the groups were homogeneous in the clinical and demographic characteristics. There was a statistical intra-group improvement for both groups in the BASFI, BASDAI, HAQ-s, and DAS-28. In the quality-of-life assessment, both groups showed statistical intra-group improvements for all domains except the "emotional aspect" domain in the resistance exercise group. In the muscle strength, there was a statistical improvement for all exercises in both groups, except for the "alternate biceps (bilateral)" exercise.
Conclusion:
Functional training and resistance exercise are similarly effective in improving functional capacity, functional status, disease activity, general quality of life, and muscle strength in patients with psoriatic arthritis.
Trial Registration:
ClinicalTrials.gov: NCT04304326. Registered 11 March 2020, https://clinicaltrials.gov/ct2/show/NCT04304326?term=NCT04304326&draw=2&rank=1 .
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