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Nutrition and Exercise
Definition of Terms
Food Fallacy A pronouncement on false reasoning or choice of food based on erroneous concepts of food. ... Animal glycogen
Carbohydrate Balance in Exercise
*dependent on
-duration and intensity
-fitness and nutritional status
*intense exercise
-blood glucose
-muscle glycogen
*moderate to prolonged exercise
-transition from rest to exercise glycogen
-50-50 CHO and FAT around the 20-min. ... Unsaturated Fatty Acids
-monounsaturated
-polyunsaturated
-hydrogenation – changes unsaturated fatty acid to saturated fatty acid
-formation of trans unsaturated fatty acid
*fish oils
-omega-3 fatty acids (tuna, sardines, mackerel, herring)
*linoleic acid
-essential fatty acid
Lipid Balance in Exercise
*light and moderate exercise = 50%
*prolonged exercise = 70-80%
Role of Lipid
1. ... 83g per kg of body mass
Pregnant = 20g per kg of body mass
Nursing = 10g per kg of body mass
Infants and growing children = 2g per kg of body mass
Endurance and strength athletes = requires further research*
Kinds and Sources
Essential Amino Acids
Non-Essential Amino Acids
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Complete Proteins – contains all 8 essential amino acids
Incomplete Proteins – lack 1 or more
Protein Balance In Exercise
*prolonged exercise – alanine used in gluconeogenesis (alanine-glucose cycle)
*40-50% of total glucose released
*protein catabolism increases when CHO stores are low
*amino acid supplements – not been shown to increase muscle mass or improve strength, endurance or power
General Role of Protein [not in transparencies]
1.
Approximate Word count = 923
Approximate Pages = 3.7
(250 words per page double spaced)
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