Perception of static respiratory forces in young and old subjects.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D007699:Kinesthesis; D008176:Lung Volume Measurements; D008297:Male; D008875:Middle Aged; D012132:Respiratory Muscles / Q000502:physiology*; D012858:Size Perception