Workout Oxygen uptake The amount of oxygen used up at the cellular level during exercise. Can be measured by determining the amount of oxygen exhaled as compared to the amount inhaled , or estimated by Indirect means Peak heart rate The highest heart rate reached during a work session .
Perceived exertion See rating of perceived exertion.
Body fluids have a pH of about 7.3. Physical conditioning A program of regular, sustained exercise to increase or maintain levels of strength, flexibility, aerobic capacity and body composition consistent with health, fitness or athletic objectives. The physiological contribution to wellness through exercise and nutrition behaviors that maintain high aerobic capacity, balanced body composition and adequate strength and flexibility to minimize risk of chronic health problems and to enhance the enjoyment of life. An exercise test that measures the amount of work done at a given, submaximal heart rate. The work is measured in oxygen uptake, kilopond meters per minute, or other units, and can be used to estimate maximal heart rate and oxygen uptake.