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The effect of exercise upon the redistribution of blood pulse rate and ventilation changes
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- The oxygen consumed after strenuous exercise stops is significantly greater than the oxygen deficit and is termed excess postexercise oxygen consumption (EPOC). Why is so much more oxygen required after intense exercise?Would they increase, decrease, or remain the same during exercise? Tidal volume (TV) Vital capacity (VC) Inspiratory reserve volume (IRV) Residual volume (RV) Respiratory rateGraph the change in oxygen uptake during recovery from exercise. Label the excess post-exercise oxygen consumption (EPOC) (i.e., oxygen debt).
- Altitude effects on exercise are caused mainly by increased CO2 production due to the physiological response to low pressure the increased influence of nitrogen gas at higher altitudes lowered 02 partial pressure the direct effect of low pressure on breathingOutline the circulatory responses to various types of exercise.Describe possible mechanisms for why blood pressure may have a greater change during the Valsalva maneuver during an isometric contraction (plank) versus intense aerobic exercise.
- After light exercise, the oxygen consumed in recovery is approximately equal to the oxygen deficit, which is the amount of additional oxygen that would have been consumed had oxygen consumption reached steady state immediately. How is the oxygen consumed in recovery used?Explain how the target heart rate (THR) helps adjust exercise intensity in times of high heat, humidity, or while at altitude.The below graph shows both ventilation and blood lactate concentration as a function of total oxygen consumption during a bout of exercise. Explain the relationship between these two variables and why these two measures (ventilatory threshold and lactate threshold) tend to occur around the same level of exercise intensity.
- Describe the effects of exercise on cardiac output and heart rateWe have looked at exercise from a couple of perspectives now. Of the sets of physiological parameters below, which is a combination of one parameter that increases, one that decreases and one that doesn't change with vigorous exercise in that order? Tidal volume, Inspiratory reserve volume, stroke volume Forced vital capacity, heart rate, cardiac output Hematocrit, forced vital capacity, respiratory rate Stroke volume, expiratory reserve volume, forced vital capacity Heart rate, tidal volume, hematocritWhich of the following tests would be best fit to determine HRmax using a HR monitor in hockey athletes? running a mile under a fixed time limit for all athletes 30 second maximal sprint 20 meter shuttle run test (beep test)