As a therapeutic modality, ultrasound is a type of heat therapy for soft tissue injuries to minimize swelling and pain, minimize muscle spasms, and expand the range of motion. Creating high frequency sound waves, ultrasound reaches deep into an injured area, creating heat that draws blood into the area in order to improve the repairing process.
Ultrasound is administered gently with a handheld soundhead, using strokes or circles over the affected area. An ultrasound gel may be applied during the ultrasound therapy session. The role of an ultrasound is to speed up your healing process and alleviate your pain.
In one study, the adding of ultrasound to exercise treatment for lumbar spinal stenosis relief reduced the amount of analgesic usage by the patients. (1)
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