Coastal, an F 1 hybrid of Tift common bermuda and a bermudagrass introduced from Asia, was released more than 55 years ago and has been established for hay and grazing on approximately 15 million acres in the southern United States.
Although pedometers are widely used to measure physical activity by counting the number of steps a person takes, they canât measure exercise intensity. In the lab, exercise intensity is commonly determined by measuring the amount of oxygen taken in by the body during exercise, known as oxygen uptake.
There are two ways to track the intensity of aerobic activity: absolute intensity and relative intensity. 1  Absolute intensity is the amount of energy expended per minute of activity. 2  Relative intensity is the level of effort required to do an activity.