Pressure threshold respiratory muscle training device for medical and diagnostic use, namely, a respiratory device for exercising the breathing muscles which incorporates a pressure meter for use in adjusting and measuring breathing difficulty levels, and structural parts therefor

'adjust':29 'breath':19,32 'devic':6,15 'diagnost':10 'difficulti':33 'exercis':17 'incorpor':22 'level':34 'measur':31 'medic':8 'meter':25 'muscl':4,20 'name':12 'part':37 'pressur':1,24 'respiratori':3,14 'structur':36 'therefor':38 'threshold':2 'train':5 'use':11,27

Physical fitness apparatus in the nature of a respiratory muscle training device using pressure threshold to strengthen core and increase lung capacity incorporating a pressure meter for use in adjusting and measuring breathing difficulty levels

'adjust':30 'apparatus':3 'breath':33 'capac':22 'core':18 'devic':12 'difficulti':34 'fit':2 'incorpor':23 'increas':20 'level':35 'lung':21 'measur':32 'meter':26 'muscl':10 'natur':6 'physic':1 'pressur':14,25 'respiratori':9 'strengthen':17 'threshold':15 'train':11 'use':13,28

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