POWERbreathe is a scientifically proven Inspiratory Muscle Training (IMT) device - sometimes referred to as a breathing training device - developed by leading scientists for improving the strength and endurance of the muscles used to breathe in, primarily the diaphragm and intercostal / rib cage muscles. As with any ot
POWERbreathe Plus Medium Resistance Breathing Device
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POWERbreathe Plus Heavy Resistance Breathing Device
IJERPH, Free Full-Text
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Spirometers
POWERbreathe Plus Heavy Resistance Breathing Device
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The Landmine Viking press is a great variation for your shoulder stren