Altitude Training Systems
Home Breathing Therapy
Mucus clearance devices for children and adults
Breathing Training Books
This is a useful link to a paper comparing the Shaker, Acapella and Flutter devices.
Here are other research papers that use and/or reference the Shaker. They are mostly from Brazil (and in Portuguese but the abstracts are in English) because this is where the product originates from:
Sorry, you must be logged in to post a comment.