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18 Cards in this Set
- Front
- Back
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How many deaths does physical inactivity contribute to annually worldwide |
1.9 million |
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How does the USDA guideline encourage fitness |
cardiovascular conditioning stretching for flexibilty resistance excerises |
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Daily recommendations for physical activity |
30-60 minutes to prevent weight gain 60-90 minutes for weight loss |
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Poor nutrition and inactivity contribute to what illnesses |
cardiovascular disease, type 2 diabetes, metabolic syndrome, some cancers |
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What is energy? |
The body's ability to do work |
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Forms of work energy |
mechanical, chemical, electrical, heat |
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Skeletal muscles from largest to smallest |
fasciculi muscle fiber myofibrils myofilaments myosin and actin |
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What are the fuel sources at rest |
carbs and fat |
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What are the fuel sources during exercise |
carbs |
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What are the fuel sources of last resorts |
protein when others are exhausted |
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Low intensity exercise vs higher intensity |
low intensity relies primarily on fat stores for energy as intensity increases, the body begins to use carbs |
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Easy walking Jogging Running Sprinting |
1. carbs first, then large muscle fat stores over 30 minutes 2. carbs and fat evenly 3. mainly carbs 4. nearly 100% carbs |
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Liver glycogen |
contributes to blood glucose and homeostasis |
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Muscle glycogen |
used for specific muscle in which it is stored |
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Active people vs Endurance athletes daily intake of carbs |
1. 45-65% 2. 60-70% |
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What helps maintain blood glucose levels while breaking down |
starch |
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Depot fat |
transported back and forth to other tissues as needed for energy |
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Essential fat |
in metabolically active tissue, bone marrow, heart, lungs, liver, spleen, kidneys, etc |
