Chronic Adaptations to Exercise

Chronic Adaptations to Exercise

As a novice athlete prepares for her first marathon with her coach and a trained endurance runner, this series explores the chronic adaptations to exercise made by the body’s respiratory, cardiovascular and muscular systems.

  • Library: Secondary
  • Audience: Senior Secondary (Year 11-12)
  • Rating: E
  • Subject: Physical Education
  • Release Date: September 2016
  • Produced: Australia

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Programme Information

Chronic Respiratory Adaptations

Chronic Respiratory Adaptations

The respiratory system makes a number of chronic adaptations to regular training. As the programme'spresenter prepares for a marathon with her coach, and a trained endurance athlete, we examine a number of those chronic adaptations, including increased tidal volume, changes in respiration rate, increased lung ventilation, VO2max and lactate inflection point.

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Chronic Cardiovascular Adaptations

Chronic Cardiovascular Adaptations

Regular training causes chronic adaptations in the body’s systems. In this programme, our presenter who is preparing for her first marathon, her coach and a trained endurance runner, examine decreased resting heart rate, increased stroke volume and cardiac output, and increased arteriovenous oxygen difference. Three different types of aerobic training are also briefly discussed – continuous, Fartlek and interval training.

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Chronic Muscular Adaptations

Chronic Muscular Adaptations

A number of chronic adaptations to exercise occur in the muscular system. Both aerobic and anaerobic exercises bring about improved performance over time. As the programme's presenter trains for a marathon with her coach, we examine muscular adaptations to exercise types, including hypertrophy of muscle fibres, improved neuromuscular functioning, increased size and number of mitochondria and increased lactate inflection point.

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