dioxide by hyperventilation in (1) normal. subjects and (2) patients in whomportions of. the nervous system have been destroyed by. disease or surgery or blocked by drugs. The. results of this study do not support the con-. ventional concept of the means by which. carbon dioxide affects vascular tone.
Identification. Muscular strength is the ability of the muscles to lift weight. Muscular endurance is the ability to sustain exertion for a specified period of time.
Muscular endurance. Muscular endurance is the ability of a muscle or group of muscles to perform repeated contractions for extended periods of time without tiring. If the muscles tire, due to poor muscular endurance, then the performer will be unable to make effective use of the muscles. A swimmer requires muscular endurance in the upper body to be able to consistently use the arms for the duration of the race.