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Chronic adaptations (Aerobic (Cardiovascular (Blood (structural)…

- - - - Increase in cross sectional area
      - Increased capillarisation to hear and skeletal muscles
        
        Allows for more blood to be delivered to working muscles
        
        Waste removal
        
        Increased capillarisation is most evident within slow twitch muscle fibres due to requiring oxygen for repeated contractions and remove waste prodcts
      - Aerobic training can also reduce LDL's, increase HDL
    - - Increased plasma volume
      - Increased total haemoglobin
      - Decreased blood pressure, systolic at rest
        
        due to increased stroke volume, Heart doesnt need to pump as forcefully
      - Decreased blood lactate concentration
- - - - Increase in cross sectional size of muscle
      - Occurs as a result of
        
        Increased number and size of myofibrils (structural), allows for increased hypertrophy
        
        The part of the muscle fiber that contains contractile proteins to enable increased strength of contraction (functional)
        
        Increased number of contractile proteins (structural)
        
        Myosin and actin enable a muscle contraction
        
        Increased size and strength of a connective tissue (structural)
        
        Thicker tendons and ligaments mean greater attachments to skeletal system, increased amount of force (functional)