Physical Activity And Cvd Risk Factors

Question 1

What are the ways to assess body composition

Answer 1

Expensive ways: mri, dexa scan, underwater weighing

Cheap ways: sum of skin folds, waist circumference, bmi

Question 2

What are the health risks of overweight and obesity

Answer 2

Cvd
Hypertension
Stroke
Cancer
Diabetes

Question 3

Obesity and insulin resistance

Answer 3

Insulin stimulated 2 deoxyglucose uptake measured in vitro

Insulin stimulated 2 deoxyglucose uptake was 53% Lower in muscle from obese subjects

Question 4

Obesity and insulin signalling

Answer 4

Insulin stimulated tyrosine phosphorylation of insulin receptor was lower in obese when compared to lean

Question 5

What do higher levels of lepton contribute to

Answer 5

Potential glucose intolerance

Question 6

What do lower levels of adiponectin contribute to

Answer 6

Potential glucose intolerance

Question 7

Effect of training on adipokines

Answer 7

8 obese and 8 control subjects train for 6 months 4-5 per week at 60-70% of HR reserve

Obese women lost 8% of og bodyweight and all adipokine changes were beneficial

Question 8

How does obesity reduce the action of insulin

Answer 8

The reduced insulin sensitivity could be due to a combination of ffa tnf resisting adiponectin

Question 9

Poorer storage of tricycle as obesity reduces the action of insulin

Question 10

What is the role of tryglycerol

Answer 10

To store unused calories and provide ur body with energy