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Nutrition (Tissue requirements (Skeletal muscle (50% body mass, Glycogen…
Nutrition
Tissue requirements
Skeletal muscle
50% body mass
Glycogen reserves
Neural tissue
High energy demands
No stores
Adipose
Store lipds
Peripheral tissue
Low metabolic reserves
Liver
Rich in enzymes
Store glycogen
Food groups
Vegetables
Dairy
Fruit
Protein
Grains
Disease
Atherosclerosis
Diabetes
Heart disease
Hypertension
Obesity
Minerals
Ions affect osmotic concentration of body fluids
Cofactor in enzymes
In many physiological processes
Trace amounts
Thermoregulation
Conduction
Direct touch
Convection
Lose heat to air
Radiation
Evaporation
Absorbs energy
Vitamins
Coenzymes
Fat-soluble
Have reserves in body
ADEK
Water-soluble
Not stored
BC
States
Absorptive state
Cells absorb nutrients
Focus on maintaining glucose levels
Follows a meal (up to an hour)
Postabsorptive state
Breakdown of amino acids and lipids
Focus on conserving glucose
Energy balance
Metabolic rate
Sum of anabolic and catabolic processes
Excess energy stored as fat
Greater energy usage uses energy reserves
Basal metabolic rate
Minimum energy expenditure
Awake and alert person
Standardised testing conditions