Effects of high-frequency hyperthermia on the elastic modulus of the lumbar muscle in female athletes with low back pain: A randomized crossover trial.
OrthoEvidence Journal (OE Journal) - ACE Report
Epub Ahead of Print
Medicine (Baltimore). 2024 01-Apr;():. 10.1097/MD.0000000000038011What this means for my practice?
CRMF provides a short-term reduction in lumbar muscle stiffness but does not produce lasting effects compared with hotpack or sham. Clinically, it may be useful as a temporary addition for muscle relaxation in low back pain management. A key limitation is the small sample size and lack of pain-related outcomes, as well as the all-female population.
Study Summary
Twenty patients with low back pain or a history of low back pain were randomized in a crossover design to receive capacitive and resistive monopolar radiofrequency (CRMF), hotpack, or sham treatment in random order. The outcomes of interest were the shear elastic modulus of the multifidus and erector spinae muscles measured by ultrasound elastography and measurements in different positions (rest and stretched) at multiple time points. Outcomes were assessed before, immediately after, and 30 minutes after each intervention. Overall, the results of the study revealed that CRMF significantly reduced the multifidus muscle stiffness in the stretched position immediately after treatment, but this effect was not sustained at 30 minutes. These findings suggest that CRMF provides short-term reductions in lumbar muscle stiffness but lacks lasting effects.
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