Exam 4 Flashcards
(276 cards)
What does physical activity include?
exercise as well as activities of daily living
What is physical activity?
Any bodily movement produced by skeletal muscle that causes energy expenditure
What is exercise?
intentional physical exertion
What are the short-term benefits of being physically active?
- helps people lose body fat
- builds muscle mass
- helps people become physically fit
What are the long-term benefits of being physically active?
- Maintain healthy body weight
- Reduces the risk of heart disease, stroke, type 2 diabetes, osteoporosis, and certain cancers
- Lowers risk of premature death
- Manages stress
- Reduces anxiety and depression
What is physical fitness?
ability to perform moderate to vigorous activity without undue fatigue
What 4 types of physical exercise does the ACSM recommend to promote health and prevent diseases?
- Resistance
- Cardiorespiratory
- Neuromotor
- Flexibility
What is resistance exercise good for?
increases muscle strength, improves body compositions, and promotes bone health
What is cardiorespiratory exercise good for?
increases the heart rate and promotes use of oxygen
What is neuromotor exercise good for?
incorporates balance, coordination, and agility
What is flexibiility exercise good for?
promotes the ability to move joins through whole span of movement
What are the 2 main sources for energy?
- carbohydrates (glucose)
2. fats (fatty acids)
What do energy substrates provide fuel for?
working muscles
Where is energy stored?
in chemical bonds of glucose and fatty acids
What is the body’s energy currency?
ATP
What is the usable form of energy?
adenosine triphosphate (ATP)
How are glucose and fatty acids used for energy?
Chemical bonds broken to release usable form of energy called ATP
What are the 2 energy producing systems?
- anaerobic
2. aerobic
What is anaerobic?
not requiring energy
What is aerobic?
requiring oxygen
How many systems produce ATP in the body?
3
What types of systems produce ATP?
2 anaerobic, 1 aerobic
How do the energy systems work to produce ATP?
Provide overlapping coverage to replenish ATP over the short, medium and long terms
Where do aenaerobic energy-systems occur?
cytosol of the cell