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Sport - Skeletal
Sport - Skeletal System - response to exercise
| Question | Answer |
|---|---|
| What are the 3 immediate/short-term responses of the skeletal system? | Synovial fluid production, uptake of minerals & increased pliability of ligaments |
| Why is calcium important? | it makes the bones stronger which means less chance of injury |
| Why do tendons need to be pliable? | to increase the range of movement at the joint |
| What are the 3 long-term responses of the skeletal system? | Increase in bone density & strength, increased ligament strength & increased thickness of articular cartilage |
| Why do bones need to be dense & strong? | less likely to get injured (e.g. fractures) |
| Why do ligaments need to be strong? | to stabilise the joint which reduces the risk of injury (e.g dislocation) |
| Why does the articular cartilage need to be thick? | to protect the joint from wear and tear |
| What is 'arthritis'? | inflammation in a synovial joint - causing pain & stiffness in the joint |
| What is the most common type of arthritis? | osteoarthritis |
| What causes osteoarthritis? | general wear & tear over a long period of time |
| What can prevent arthritis & osteoporosis? | regular exercise |
| What does arthritis reduce the amount of? | cartilage (which results in the ends of the bones rubbing together) |
| Why does exercise help with arthritis? | the joints produce more synovial fluid which reduces the friction between the bones & provide minerals to the cartilage |
| What 3 additional factors can affect the skeletal system? | Arthritis, Osteoporosis & age |
| What is 'osteoporosis'? | weakening of bones caused by a loss in calcium or lack of vitamin D |
| What happens to your bones as you get older? | they lose their mineral density and become brittle, fragile & more likely to break |
| What types of training are good for preventing osteoporosis? | resistance (weight) training & weight bearing exercise (to increase bone density) |
| How does exercise help prevent osteoporosis? | increases bone mineral density |
| Why is resistance (weight) training harmful to children? | their bones are still growing and putting force on them can damage the epiphyseal plates |
| Where are the epiphyseal plates found? | at the end of long bones |
| Damage to the epiphyseal plates can result in what? | stunted bone growth |
Created by:
samfitter
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