module 7- exercise and sport nutrition Flashcards
what are the 6 basic nutrients?
lipids, proteins, carbohydrates, water, vitamins, minerals
what does the word “essential” mean?
the body cannot make adequate amounts of these nutrients, but needs them to survive in good health
Which of the 6 nutrients could be considered essential?
lipids, proteins, and carbohydrates
measurement of heat required to raise the temp of one kg of water 1 degree Celsius
calorie
Cal/1000. interchangeable
kilocalorie
Is calorie or kcal used on a food label?
kilocalorie
9 Kcal/g
lipids
4 Kcal/g
proteins and carbs
7 kcal/g
alcohol
What is the body’s needs for lipids?
source of energy, protection, insulation, transport, storage of vitamins
what is the structure of lipids?
glycerol backbone, fatty acid, phosphate
What is the recommended intake of lipids?
20-35%
what are the subdivisions of lipids?
triglycerides, fatty acid chains, free fatty acids, glycerol
What are examples of lipids?
oil, nuts, seeds, meat, fish and dairy
What is the body’s need for proteins?
structure, enzymes for metabolism, hormones and transport carriers (in membrane)
What is the structure of proteins?
amino acid: alpha carbon, amino group, carboxyl group, hydrogen, side chain
What is the recommended intake of proteins?
10-30% or 1-2 g/kg of body weight
what is the protein subdivision?
amino acids
What are examples of proteins?
meat, fish, eggs, and dairy
What is the body’s needs for carbohydrates?
primary source of energy
What is the structure of carbohydrates?
carbon, hydrogen, oxygen
what is the recommended intake of carbohydrates?
45-65% total intake
What are the subdivisions of carbohydrates?
monosaccharides, disaccharides, and polysaccharides
What are examples of carbohydrates ?
grains, pasta, and fruits
Where are carbohydrates stored?
stored as glycogen in the liver
what is the body’s need for vitamins?
biochemical reactions, mineral and bone metabolism, cell and tissue growth, energy metabolism
what is the body’s need for minerals?
used in psychological processes in body
what is the body’s need for water?
transport of nutrients and waste as well as thermoregulation
the involuntary constriction and relaxation of the muscles of the intestine, wave like movement to move food down the esophagus
peristalsis
breaking up of large fat molecules to smaller ones for easier digestion
emulsification
produce salivary amylase to break down carbs
salivary glands
produces bile
liver
stores bile
gall bladder
What is the normal BMI?
22