Overload Subjecting apart of the body to efforts greater than it is accustomed to, in order to elicit a training response. Increases may be in intensity or duration. Overuse Excessive repeated exertion or shock which results in injuries such as stress fractures of bones or inflammation of muscles and tendons. The essential element in the respiration process to sustain life. The colorless, odorless gas makes up about 20 percent of the air, by weight at sea level.
Oxygen consumption See oxygen uptake.
The oxygen required to restore the capacity for anaerobic work after an effort has used those reserves. Measured by the extra oxygen that is consumed during the recovery from the work. The energy supplied anaerobically while oxygen uptake has not yet reached the steady state which matches energy output. Becomes oxygen debt at end of exercise.