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The science of RMT -  Respiratory Muscle Trainers, proven and accepted for medical purposes as well as minimal benefits for athletes.  All RMT device makers are focused on marketing to athletes.  The biggest obstacle in using RMT for athletes, is that most devices were designed for sick patients with medical conditions like asthma, COPD, cardiac surgery rehab.  These devices have changed very little over past 40 years and aren't designed to be used during exercise, practices or daily training routines.  Thus you cannot mimic normal sports specific physiologic ventilatory demands, let alone improve on these demands significantly.  Thus there are minimal benefits for athletes to use these traditional RMT devices.

STEALTH Fitness Accelerator is designed to be worn while you exercise, conditioning or practice for your specific sport.  It fits into your mouth like a mouthguard allowing you to exercise your heart and lungs during practices, conditioning and training sessions, cycling, running, etc. 

STEALTH Fitness Accelerator is the first of its kind Cardiorespiratory Training device employing adjustable dual airflow resistance technology system which allows users to dial up resistance incrementally over time rapidly improving lung efficiencies, and cardiorespiratory fitness.  This allows athletes to start at low resistance levels, increasing resistance over time, allowing the lungs to adjust, similar to weight training starting light weights adding weight over time. 

Because the device is designed for use while exercising the cardiorespiratory load is much greater than exercise alone, as is the training result much greater.  Thus STEALTH acts as a FORCE MULTIPLIER to whatever exercise you are engaged in and results are increased and accelerated.

See RMT athletic Research that inspired design of the STEALTH Athletic Lung Trainer Here
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