Answer :
Final answer:
The experiment investigates the effect of occlusion on heart rate (HR) and blood pressure (BP) responses during exercise and post-exercise. Occlusion refers to the restriction of blood flow to a specific area, achieved by inflating a blood pressure cuff to a pressure higher than the subject's systolic blood pressure (SBP). The experiment involves two conditions: control and occlusion. The purpose of the experiment is to examine how occlusion affects HR and BP responses during exercise and post-exercise. The hypotheses could be that occlusion will result in higher HR and BP responses during exercise and delayed recovery post-exercise.
Explanation:
Introduction:
In this experiment, we are investigating the effect of occlusion on heart rate (HR) and blood pressure (BP) responses during exercise and post-exercise. Occlusion refers to the restriction of blood flow to a specific area, which can be achieved by inflating a blood pressure cuff to a pressure higher than the subject's systolic blood pressure (SBP). The experiment involves two conditions: control and occlusion.
Purpose and Hypotheses:
The purpose of this experiment is to examine how occlusion affects HR and BP responses during exercise and post-exercise. The hypotheses could be that occlusion will result in higher HR and BP responses during exercise and delayed recovery post-exercise.
Experimental Procedure:
In the control condition, the subject will perform hand contractions at 30% MVC for 3 minutes, followed by 3 minutes of rest. Blood pressure and heart rate measurements will be taken at the end of each minute.
In the occlusion condition, the subject's arm will be occluded by inflating a blood pressure cuff to a pressure higher than their SBP. A blood pressure and heart rate measurement will be taken shortly after occlusion is started, which will serve as the resting measurement. The subject will then perform hand contractions at 30% MVC for 3 minutes, followed by 1 minute of rest with the cuff still inflated, and 2 more minutes of rest after releasing the cuff pressure. Blood pressure and heart rate measurements will be taken at the end of each minute.
Results:
For each condition (control and occlusion), create tables and plots for HR, SBP, DBP, and MAP as a function of time. Plot HR as a function of time on the y-axis and time on the x-axis for each condition. Plot SBP, DBP, and MAP as a function of time on the y-axis and time on the x-axis for each condition.
Discussion:
Discuss whether the results (effect of occlusion on the HR and BP responses during exercise and post-exercise) were what you expected. For each result, explain using concepts from the notes why the result was or was not expected.
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