Оценка:
Опубликованно: 01.12.1996.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Ultrasound Physical Medical Treatment', 1.
Фрагмент работы

Many medical devices are designed for use in one area of the field and then are found to be transferrable to another field through use and experimentation. The ultrasound is no exception. First used in the 1940s, the ultrasound has developed into a device which is used frequently in most modern-day pregnancies. It was not until the late 1990s that it was used for therapeutic treatment.
<Tab/>Ultrasounds in the range of 44-48 kHz have established themselves as a safe and effective method for treatment of muscular injuries, soft tissue damage and ligament and tendon ailments. T…

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