Non-specific low back pain is a worldwide health issue that remains poorly understood. Some authors have shown that the thoracolumbar fascia of low back pain adults presents changes in biomechanical properties. As it is richly endowed with pain receptors, the thoracolumbar fascia could therefore be a key contributor to this chronic pain condition. Myofascial techniques (MFTs) are commonly used in manual therapy by practitioners of various backgrounds to address fascia biomechanical properties, but there is a paucity of objective evidence on their effects on tissue state. Musculoskeletal ultrasonography, sonoelastography and myometry are emerging imaging techniques that can quantify the biomechanical properties of fascia and underlying muscle. These innovative techniques could in turn contribute to a better understanding of MFTs effects on fascial properties. The main objective of this study is to evaluate the immediate effect of a standardized MFT on the elastography features of the lumbar paraspinal muscle and fascia (i.e. myofascial unit). The secondary objectives are to evaluate the immediate effects of a MFT on: i) ultrasonography features of the myofascial unit; ii) myometry features of the myofascial unit; ii) pain intensity.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
49
Myofascial technique on the thoracolumbar fascia and lumbar paraspinal muscles
Superficial hands contact on the lumbar area
Centre de recherche du Centre Hospitalier Universitaire de Sherbrooke
Sherbrooke, Quebec, Canada
Changes in elastography features of the myofascial unit
Evaluated with a shear wave sonoelastography device.
Time frame: Baseline (before treatment), post-treatment (immediately after treatment)
Changes in ultrasonography features of the myofascial unit
Evaluated with a B-mode ultrasound imaging device
Time frame: Baseline (before treatment) post-treatment (immediately after treatment)
Changes in myometry features of the myofascial unit
Evaluated with a myotonometer
Time frame: Baseline (before treatment) post-treatment (immediately after treatment)
Changes in pain intensity
Numeric rating Scale (0 to 10; minimum = 0; maximum = 10; higher score means worst outcome)
Time frame: Baseline (before treatment) post-treatment (immediately after treatment), at day 2 and at day 7 after the intervention
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