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HP midterm CH3
| Question | Answer |
|---|---|
| ATP | (adenosine triphosphate)Energy released from the breakdown of food creates a compound |
| Energy | The fuel needed for muscle motion/Derived from the breakdown of food |
| ATP is made and stored | in small amounts in muscle and other cells |
| The breakdown of ATP | releases energy in a form that muscles can use for movement |
| ATP is the only compound in the body that | can provide this immediate source of energy; therefore, it must be available for muscles in order for them to contract |
| Anaerobic and Aerobic Systems | Two systems in muscle cells produce ATP |
| Anaerobic (without oxygen) | Provides ATP at the beginning of exercise and for short-term, high-intensity exercise • Produced through glycolysis, the process that breaks down carbohydrates • Can only use carbohydrates as an energy source |
| Aerobic (with oxygen) | The primary system for cardiorespiratory endurance • Relies on oxygen for ATP production • Can use fats, proteins, and carbohydrates to produce ATP • Supports prolonged exercise, with a shift from carbohydrates to fats as the primary energy source |
| Most daily activities rely on | aerobic ATP production |
| Health Benefits of Cardiorespiratory Endurance (Organic) | •Lower risk of cardiovascular disease (CVD) • Increased longevity • Reduced risk of type 2 diabetes • Lower blood pressure |
| Health Benefits of Cardiorespiratory Endurance (Physical) | • Increased bone density in weight-bearing bones • Easier weight control |
| Health Benefits of Cardiorespiratory Endurance (Mental) | • Improved self-esteem and body image • Better sleep • Increased energy |
| Frequency | 3–5 times per week |
| Intensity | 50–85% of maximal heart rate |
| Time/Duration | 20–60 minutes per session |
| Type/mode | jogging, cycling, rowing |
| Measuring intensity-target heart rate | – Target heart rate (THR) – Heart rate reserve (HRR) |
| Borg Rating of Perceived Exertion (RPE) | A subjective way of estimating exercise intensity based on a scale of 6 to 20. |
| Training Threshold | The training intensity above which there is an improvement in cardiorespiratory fitness. This intensity is approximately 50% of VO2 max. |
| Target heart rate (THR) | The range of heart rates that corresponds to an exercise intensity of approximately 50%-80% VO2 max. This range results in improvements in aerobic capacity. |
| Heart rate reserve (HRR) | The difference btw the maximal heart rate and resting heart rate. |
Created by:
MathMatt
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