A respiratory trainer, also known as a breathe exerciser, is a device that uses particular exercises to improve the function of the breathing muscles. This gadget enhances the amount of oxygen and air that may be breathed in and delivers a high concentration of oxygen and air. Respiratory trainers help people with asthma, bronchitis, emphysema, and chronic obstructive pulmonary disease improve their muscles. There are several respiratory trainers on the market, including Ultrabreathe, Powerbreathe, PowerLung, and Expand-A-Lung.
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