Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
What is the Overload Principal? |
assuming that the body will adapt to the stresses placed on it |
|
|
What is the cardiorespiratory system? |
includes the circulatory and respiratory systems, delivering oxygen and nutrients to the cells |
|
|
Hypertrophy |
An increase in the size of a muscle or organ |
|
|
Atrophy |
wasting or decrease in the size of a muscle or other tissue caused by lack of use |
|
|
What are some things that physical inactivity can lead to? |
osteoporosis, stroke, type 2 diabetes. heart disease, colon cancer, breast cancer, hypertension |
|
|
what are the 2 initiatives the canadian government has taken to increase activity? |
1) Canada's physical activity guide 2) ParticipACTION |
|
|
what are the positives of aerobic excersise? |
strengthens the heart muscle, increases stroke volume, decreases the resting heart rate |
|
|
aerobic capacity |
the body's maximum ability to generate ATP by aerobic metabolism during exercise. Also called VO2 max. |
|
|
benefits of regular exercise |
weight management cardiovascular health diabetes prevention or management bone and joint health possible reduction of cancer risk psychological health |
|
|
aerobic metabolism |
metabolism in the presence of oxygen |
|
|
anaerobic metabolism |
metabolism in the absence of oxygen |
|
|
explain how oxygen is delivered to muscle |
1) Respiratory system takes in oxygen and delivers it to the blood 2) The cardiovascular system circulates the oxygen-rich blood throughout the body 3) oxygen is taken up by the muscles and other tissues and used in aerobic metabolism, producing CO2 as a waste product 4) CO2 is carried away from the muscle by the blood 5) CO2 is exhaled through the lungs |
|
|
what vitamins and minerals require special attention from athletes? |
b Vitamins Antioxidant vitamins Iron Calcium |
|
|
general proportion of energy for athletes and healthy individuals should be..? |
45-65% carbs 20-35 Fat 10-35 Protein |
|
|
what is sports anemia ? |
reduced hemoglobin levels that occur as part of a beneficial adaptation to aerobic exercise in which expanded plasma volume dilutes red blood cells |
|
|
why is water needed for physical activity? |
needed to eliminate heat , transport oxygen and nutrients to the muscles and to remove waste products such as lactic acid from the muscles. |
|
|
what is Hyponatremia? |
can occur when an athlete loses water and sodium in sweat but replaces these losses with plain water, diluting the remaining sodium in the blood. |
