![]() ![]() ![]() Metabolic equivalent of task MET- The energy cost of a physical activity, measured as a multiple of the resting metabolic rate, which is defined as 3.5 milliliters of oxygen consumed per kilogram (kg) of body weight per minute, equivalent to 1 kilocalorie per kg per hour. Heart rate HR- A measure of cardiac activity in beats per minute (bpm). ![]() Cycle ergometer- A stationary bicycle with an ergometer to measure work performed, used for cardiorespiratory fitness tests. Cardiovascular- The heart and blood vessels activities that temporarily increase heart rate. KEY TERMS Aerobic capacity- VO 2 max the maximum amount of oxygen that can be transported by the heart, lungs, and blood to the muscles and utilized by the muscles during exercise. The President's Challenge Adult Aerobic Fitness Test can be a 1-mile (1.6-km) walk and/or run or a 1.5-mile (2.4-km) run in the field or on a level treadmill.The George jogging test begins at 4.3–7.5 mph (6.9–12.1 kph) for men and 4.3–6.5 mph (6.9–10.5 kph) for women, and continues until consecutive HR counts are within 3 bpm, not to exceed a maximum of 180 bpm.The Ebbeling walk is a single-stage treadmill protocol that starts with a four-minute warm-up at 2–4.5 mph (3.2–7.2 kph) at 0% grade, followed by four minutes at a higher speed and a 5% grade.The Rockport Fitness Walking Test is a one-mile (1.6-km) fast walk that can be performed without a partner.It assesses both fitness and risk for cardiovascular disease. The Bruce protocol, developed in 1963 by Robert Bruce, the “Father of Exercise Cardiology,” is a fairly strenuous test, in which the treadmill grade is increased by 2% and the speed by about 0.8 miles per hour (mph) or 1.3 kilometers per hour (kph) every 3 minutes.Among the more common walk/run protocols: ![]()
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