As a therapeutic modality, ultrasound is a form of heat treatment for soft tissue damage to reduce swelling and pain, reduce muscle spasms, and expand the range of motion. Making 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 pain stricken area. An ultrasound gel might be administered during the ultrasound therapy session. The role of an ultrasound is to expedite your healing time and alleviate your pain.
In one study, the addition of ultrasound to exercise treatment for lumbar spinal stenosis relief decreased the amount of analgesic usage by the patients. (1)
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