| Rock |
Type of popular dance music originating in the 1950s, characterized by a heavy beat and simple melodies, often with a blues element. Based on the pentatonic scales in progressions.
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| Rocio |
A mosquito-borne viral encephalitis found in Brazil.
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| rocker board |
A board with rockers or a partial sphere on the undersurface so that a rocking motion occurs when a person stands on it. It is used for proprioception and balance training, esp. in lower-extremity injuries and central nervous system
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| rocker knife |
An assistive device for persons with limited upper-extremity function. It allows one-handed stabilization and cutting of food.
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| rocking bed |
A device used to create abdominal displacement ventilation in patients with respiratory failure.
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