Ultrasonic Massager for Pain Relief Buying Guide
Ultrasonic massage is a medical technique that has been in use for decades. The devices vibrate on a frequency that penetrates deep into the body, stimulating cells and tissues to heal, relax, and relieve pain.
Because these are medical devices, they are designed to be used by trained physical therapists and professionals who understand the correct timing, intensity, and use of the machine for the best results. Even with a manual, they are not typically designed for a person to administer on themselves with little training or information.
For that reason, the best way to use an ultrasonic massager for pain relief is if it has been recommended by a physical therapist or medical professional. If you are receiving ultrasonic therapy from a physician, they can explain to you how the device works, what your optimal course of treatment may be, and even how to properly use the machine.
For those who are currently in physical therapy for pain, a home ultrasonic machine can save time in waiting rooms and the cost of co-pays, and is available 7 days a week, but these devices should be used under medical supervision.
Optimal Frequency in an Ultrasonic Massager
Most medical ultrasonic massagers operate at either 1 MHz or 3 Mhz. The frequency of the sonic waves is what penetrates the skin, carrying heat and stimulating the cells inside the body. Frequencies of 1 MHz penetrate more deeply, to depths of 2.5 cm or more below the skin surface; 3 MHz units penetrate less, to depths of about 1.6 cm.
Physical therapists choose the correct frequency for the condition they are trying to treat. Ultrasonic waves will not penetrate bone, but will heat the bone and make it uncomfortable; the massager should always be in motion and never kept still. Sessions are typically 3-5 minute long, and should not exceed 15 minutes.
Transducer Shape
The size and shape of a transducer correlate to how broad or narrow the treatment area should be. A smaller, narrower head will have a more specific, focused effect, while a bigger, broader head will have a more general effect.
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