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.
The second type of endurance one must develop to be physically fit is Muscular Endurance. Muscular Endurance is defined as the ability of your muscles to perform contractions for long periods of time. The number of curl ups one can perform, for example, is a measure of abdominal endurance.