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Outline THREE physiological adaptations in response to aerobic training. - HSC - SSCE Personal Development and Physical Education - Question 23 - 2010 - Paper 1
Question 23
Outline THREE physiological adaptations in response to aerobic training.
Worked Solution & Example Answer:Outline THREE physiological adaptations in response to aerobic training. - HSC - SSCE Personal Development and Physical Education - Question 23 - 2010 - Paper 1
Step 1
Physiological Adaptation 1: Increased Cardiac Output
Answer
Aerobic training enhances the heart’s efficiency, leading to an increase in cardiac output. This means that during exercise, the heart pumps more blood per beat, which helps deliver oxygen and nutrients to the muscles more effectively. The formula to calculate cardiac output is:
Step 2
Physiological Adaptation 2: Improved Oxygen Uptake
Answer
People who engage in regular aerobic training experience an increase in their VO2 max, which is the maximum rate at which an individual can use oxygen during intense exercise. This adaptation allows for better endurance and performance, as more oxygen is available for muscle metabolism.
Step 3
Physiological Adaptation 3: Enhanced Muscle Capillarization
Answer
Aerobic training promotes the growth of capillaries in the muscles, which improves the delivery of oxygen and nutrients and the removal of waste products like carbon dioxide. This adaptation contributes not only to enhanced physical performance but also to faster recovery times post-exercise.