Efeitos imediatos da liberação miofascial diafragmática sobre a coluna lombar e função do diafragma em mulheres sedentárias: um ensaio clínico randomizado placebo-controlado

Abstract

Diaphragmatic myofascial release (DMR) techniques are widely used in clinical practice, but few studies have evaluated their simultaneous immediate effects on respiratory and musculoskeletal systems. Objective: To evaluate the immediate effects of DMR in sedentary women on posterior chain muscle flexibility (PCMF); range of motion (RM) of the lumbar spine; respiratory muscle strength (RMS) and thoracic cavity mobility (TCM). Methods: a randomized placebo-controlled trial with random allocation, intention-to-treat and double-blind study. The sample consisted of 75 sedentary women between 18 and 35 allocated to one of the two groups: intervention group that received two DMR techniques in a single care and the control group with placebo techniques following the same regimen. The outcomes were measured before and immediately after techniques were performed. Results: After the application of the DMR it has a significantly improved TCM with 0.61cm (95% CI, 0.12-1.1) difference in the axillary region, 0.49cm (95% CI, 0.03 -0.94) in the xiphoid region and 1.44cm (95% CI, 0.88-2.00) basal region; the PCMF: 5.80cm (95% CI, 1.69-9.90); in relation to the RM of the lumbar spine of both groups there was a difference between groups for the extension of 4.76cm (95% CI, 0.22 - 9.29), right slope of 6.48cm [95 %, 2.82-10.13) and a left slope of 4.10cm (95% CI, 0.57 -7.62) to the intervention group. Conclusion: The DMR techniques improve TCM, PCMF and RM of the lumbar spine in sedentary women.