Deconditioning (Exam 3)

Question 1

What happens with VO2 max and bed rest?

Answer 1

The longer you are on bed rest, the lower your VO2 max. 40 loose about 40% VO2 max

Question 2

What happens to HR with detraining?

Answer 2

resting HR goes up. WIth retraining you can get fact to previous resting HR

Question 3

What happens with bed rest and plasma volume?

Answer 3

Lower plasma levels. Decreased resistance so blood pressure may fall

Question 4

What are the two types of changes you can have with bed rest?

Answer 4

Peripheral or cardiac

Question 5

What is Lower Lobe Atelectasis?

Answer 5

Diaphragm migrates higher
Increased esophageal pressure
Heart settles dorsally 
decreased lung compliance in supine
MORE WORK TO EXPAND TO LUNGS

Question 6

What happens to fasting blood glucose, fasting blood insulin levels, triglycerides and total cholesterol during bed rest?

Answer 6

All increase. Glucose changes can be a concern for diabetic patients

Question 7

How much does your muscle mass decrease per day during the first 2-3 weeks of bed rest?

Answer 7

1.5-2% a day

Question 8

What does decreased ability to exercise cause in the body?

Answer 8

systemic inflammation

Question 9

what happens to force output during bed rest?

Answer 9

Decreases

Question 10

What happens to bone with bed rest?

Answer 10

increase bone resorption and decreased bone mineral density

Question 11

How much strength do older adults loose with 10 days of bed rest?

Answer 11

11.2-13.5% of muscle strength

Question 12

How much of their VO2 max do older adults loose with 10 days of bed rest?

Answer 12

12%

Question 13

How much of their stair ascent power do older adults loose with 10 days of bed rest?

Answer 13

14%