Unformatted text preview: Therefore, at upper levels of exercise we can assume that AHR is proportional to ACO. In addition to measuring heart rate we will measwe systolic and diastolic blood pressure while the body is in different positions, directly after exercise and at five two-minute intervals following exercise. Systolic pressure is the pressure generated by the heart during contraction, while diastolic is the residual blood pressure during relaxation. We'll examine how these values, and the difference between them (Pulse Pressure), change during exercise. Mean arterial pressure (MAP) is the average pressure in the cardiovascular system. We will calculate mean arterial pressure in this lab by calculating a weighted average using the following formula: MAP = ro*!r, 3 Where Po is the diastolic pressure and Pp is the pulse pressure (systolice pressure -diastolic pressure). The pressure driving blood through capillaries acts like any fluid Page 4 20...
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- Spring '11
- diastolic blood pressure, cardiac output increases, pressure diastolic pressure