A4+5 Responses to the skeletal systems
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What are the responses of the skeletal system split into?
• short-term (immediate) • long-term (over a period of time)
What is a response of short-term affects?
• acute responses
What is a response of long-term affects?
• adaptations or chronic responses
Acute responses …
• when the body makes an immediate change or response
Chronic responses …
• adaptations that take place over a long period of time
Why is it essential to to complete a thorough warm up in order to give the skeletal system time to produce the following…?
• increase in synovial fluid at the joints (to give extra lubrication and protect the joint capsule) • the synovial fluid becomes less ‘viscous’ and the range of movement at the joint will increase as a result • this will provide increased nutrients to the articular cartilage • increased uptake of mineral within the bones • the body will absorb minerals like calcium in order to develop bone strength • a bone becomes stronger and denser the more you put demands on it
What are examples of acute responses?
• breathing rate increase, heart rate increase, increased blood pressure and sweating
What are the chronic responses?
• adaptations that lead to improved fitness for sports participation and reduced health risk • exercise will increase bone density (less likely to fracture) • long-term physical activity leads to developed ligament strength (and elasticity) resulting in increased flexibility