obesity Flashcards
ways to assess body comp
mri
DEXA
bmi
sum of skin folds
waist hip ratio
risks of being overweight
higher mortality
increased risk of CVD
diabetes
hypertension
lead to insulin resistance
what is leptin
insulin desensitising
correlated with waist circumference and body fat %
higher levels might contribute to glucose intolerance
why does obesity reduce insulin action
due to the combination of FFA
how does excessive fat affect HDL-C and VLDL-TAG
it increases VLDL-TAG and reduces HDL-C
adiposecytokine profile
favourably changes with weight loss
how to tackle obesity
exercise helps prevent the loss of muscle that comes with dieting
dieting increases grehlin
weight loss lowers leptin
what happens in the first week of energy expenditure
begins to fall to compensate for diet or exercise intervention
diet or exercise?
diet produces greater weight loss initially, but exercise is more important in the long run
both stimulate mitochondrial biogenesis
exercise more important for maintaining T3 and metabolic rate