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Sport - Muscular
Sport - Muscular System Adaptations
| Question | Answer |
|---|---|
| How do muscles adapt to exercise? | Hypertrophy. Increase in tendon strength. Increase in mitochondria. Increase in myoglobin. Increase in glycogen storage. Improved use of energy sources. Increase tolerance to lactate. |
| What is hypertrophy? | increase in muscle size and strength |
| What causes increase in muscle size? | the muscle fibres become larger due to increases in protein in the muscle cells |
| What are tendons? | tough bands of fibrous connective tissue |
| What do mitochondria do? | produce aerobic energy |
| What is myoglobin? | a type of haemoglobin |
| Where is myoglobin found? | exclusively in muscles |
| What does myoglobin do? | transports oxygen to the mitochondria to release energy |
| What can your muscles do as your body adapts to long-term exercise? | store more glycogen |
| What does more glycogen in the muscles mean? | you can train at higher intensities for longer as muscle glycogen does not require oxygen to produce energy |
| What can athletes do more efficiently? | break down fats into fatty acids and into energy using oxygen |
| What can be used as an energy source when carbohydrates become scarce? | fats |
| What does anaerobic training stimulate the muscles to do? | become better able to tolerate lactic acid & clear it away more efficiently |
Created by:
samfitter
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