The effect of a prescribed exercise program on respiratory muscle strength and endurance of middle-aged subjects.
Poling
T
T
Schlenker
E H
EH
D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction; D010807:Physical Endurance; D005082:Physical Exertion; D012132:Respiratory Muscles / Q000502:physiology*