Laboratory Report

Results

Resting and Exercising Cardiac Cycle Length, EDV, and ESV
	Resting Values			Exercising Values
	Cardiac cycle length (msec)	EDV(mL)	ESV(mL)	Cardiac cycle length (msec)	EDV(mL)	ESV(mL)
Subject 1
Subject 2
Subject 3
Averages		Minimum 3 characters, three numbers. The Average value is valid, thank you. Sorry. Your value is wrong. Please try again. The valid Average value is correct, thank you.	Minimum 2 characters, two numbers. The Average value is valid, thank you. Sorry. Your value is wrong. Please try again. The valid Average value is correct, thank you.

Resting and Exercising HR and EDV

Resting and exercising cardiac cycle length
1. What was the average resting cardiac cycle length?
2. What was the average exercising cardiac cycle length?
3. The range of normal resting cardiac cycle length is between 818 and 858 ms. Did average cardiac cycle length increase, decrease, or not change with exercise?
Resting and exercising EDV
1. What was the average resting EDV?
2. What was the average exercising EDV?
3. The range of normal resting EDV is between 135 and 145 ml for these subjects. Did average EDV increase, decrease, or not change with exercise?
Resting and exercising ESV
1. What was the average resting ESV?
2. What was the average exercising ESV
3. The range of normal resting ESV is between 65 and 75 for these subjects. Did average ESV increase, decrease, or not change with exercise?

Resting and Exercising HR, SV, and CO
	Resting Values				Exercising Values
	HR (strokes per min)	SV (mL)	SV(L)	CO (L/min)	HR (strokes per min)	SV (mL)	SV(L)	CO (L/min)
Subject 1	Minimum 2 characters, two numbers. The Average value is valid, thank you. Sorry. Your value is wrong. Please try again. The valid Average value is correct, thank you.	Minimum 2 characters, two numbers. The Average value is valid, thank you. Sorry. Your value is wrong. Please try again. The valid Average value is correct, thank you.	Minimum 5 characters, four numbers, one full stop. The Average value is valid, thank you. Sorry. Your value is wrong. Please try again. The valid Average value is correct, thank you.	Minimum 3 characters, two numbers, one full stop. The Average value is valid, thank you. Sorry. Your value is wrong. Please try again. The valid Average value is correct, thank you.
Subject 2
Subject 3
Averages	Minimum 3 characters, three numbers. The Average value is valid, thank you. Sorry. Your value is wrong. Please try again. The valid Average value is correct, thank you.

Resting and Exercising ESV, SV, and CO

Resting and exercising HR —
1. What was the average resting HR?
2. What was the average exercising HR?
3. The range of normal resting HR is between 70 and 73 beats per minute for these subjects. Did average HR increase, decrease, or not change with exercise?
Resting and exercising SV —
1. What was the average resting SV?
2. What was the average exercising SV?
3. The range of normal resting SV is between 60 and 80 ml for these subjects. Did average SV increase, decrease, or not change with exercise?
Resting and exercising CO —
1. What was the average resting CO?
2. What was the average exercising CO?
3. The range of normal resting CO is between 4.2 L per minute and 5.84 L for these subjects. Did average CO increase, decrease, or not change with exercise?

Effect of Exercise on Cardiac Output

1. During exercise undefined 2. During exercise undefined 3. During exercise undefined 1. Dependent Variable undefined 2. Independent Variable undefined 3. Controlled Variables undefined 4. What instrument was used to measure cardiac volumes? undefined 5. Does the instrument used to measure cardiac volume use X-Rays? Explain. undefined Table 2: Resting and Exercising Cardiac Cycle Length, EDV, and ESV

Resting Values

Exercising Values

Cardiac cycle length (msec)

EDV (mL)

ESV (mL)

Cardiac cycle length (msec)

EDV (mL)

ESV (mL)

Resting and Exercising HR and EDV Resting Values Exercising Values 0 90 180 270 360 450 HR Resting Values Exercising Values 0 30 60 90 120 150 EDV 1. Resting and exercising cardiac cycle length a. What was the average resting cardiac cycle length? undefined b. What was the average exercising cardiac cycle length? undefined c. The range of normal resting cardiac cycle length is between 818 and 858 ms. Did average cardiac cycle length increase, decrease, or not change with exercise? undefined 2. Resting and exercising EDV a. What was the average resting EDV? undefined b. What was the average exercising EDV? undefined c. The range of normal resting EDV is between 135 and 145 ml for these subjects. Did average EDV increase, decrease, or not change with exercise? undefined 3. Resting and exercising ESV a. What was the average resting ESV? undefined b. What was the average exercising ESV? undefined c. The range of normal resting ESV is between 65 and 75 for these subjects. Did average ESV increase, decrease, or not change with exercise? undefined Table 3: Resting and Exercising HR, SV and CO

Resting Values

Exercising Values

HR (strokes per second)

SV (mL)

SV (L)

HR (strokes per second)

SV (mL)

SV (L)

Resting and Exercising SV and CO Resting Values Exercising Values 0 20 40 60 80 100 ESV Resting Values Exercising Values 0 0.04 0.08 0.12 0.16 0.2 SV Resting Values Exercising Values 0 8 16 24 32 40 CO 4. Resting and exercising HR a. What was the average resting HR? undefined b. What was the average exercising HR? undefined c. The range of normal resting HR is between 70 and 73 beats per minute for these subjects. Did average HR increase, decrease, or not change with exercise? undefined 5. Resting and exercising SV a. What was the average resting SV? undefined b. What was the average exercising SV? undefined c. The range of normal resting SV is between 60 and 80 ml for these subjects. Did average SV increase, decrease, or not change with exercise? undefined 6. Resting and exercising CO a. What was the average resting CO? undefined b. What was the average exercising CO? undefined c. The range of normal resting CO is between 4.2 L per minute and 5.84 L for these subjects. Did average CO increase, decrease, or not change with exercise? undefined 1. What caused the change in HR with exercise? undefined 2. Discuss the effect of venous return and heart rate on exercise EDV. undefined 3. What caused the change in ESV volume with exercise? undefined 4. Why did SV change with exercise? undefined 5. Discuss the importance of the change in CO with exercise? undefined 6. Restate your predictions that were correct and give data from your experiment that support them. Restate your predictions that were not correct and correct them, giving supporting data from your experiment that supports your corrections. undefined 1. We measured the stroke volume of the left ventricle. What was the average stroke volume of the right ventricle at rest and after exercise? undefined 2. Assume that for one beat, the stroke volume of the left ventricle is greater than that of the right ventricle. Explain why in a normal heart this would be corrected on the next beat. undefined 3. Explain why elite athletes have a lower than normal heart rate, yet have a higher than normal ability to increase cardiac output. undefined