As people age:1. cholesterol increases2. skeletal muscles lose strength3. flexibility is

Body Composition BMI  Ratio of height to weight o Expressed in kg/m^2  Weight- lbs/2.2 = kg  Height- inches*.0254 = meters then ^2  Correlated with body fat (in general)  Classification is health-based o Very high & very low BMIs are associated with negative health outcomes  Does not discriminate between fat and muscle mass Body Composition  Distribution and size of body compartments contributing to body weight  Methods o Hydrodensitometry  Underwater weighing o DEXA o Bioelectrical impedance  Electrical impulse through tissue  Longer it takes, more body fat o Bod pod