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Updated: Mar 17, 2026

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Comparative Analysis of Lower Limb Kinematics between the Initial and Terminal Phase of 5km Treadmill Running
Published on: July 17, 2020
6.6K
Summary
Marathon running intensely challenges the body, particularly the oxygen transport system. Runners experience significant respiratory and muscular strain, impacting performance and potentially causing injury.
Area of Science:
- Exercise Physiology
- Sports Science
- Human Endurance
Background:
- Marathon running is a premier test of human physical limits.
- Understanding the physiological strain is crucial for athletes and coaches.
- The oxygen transport chain is central to aerobic performance.
Purpose of the Study:
- To review the physiological demands of marathon running.
- To examine the responses of key body systems.
- To focus on the oxygen transport chain's role.
Main Methods:
- Review of existing literature on marathon physiology.
- Analysis of respiratory, cardiovascular, and muscular system responses.
- Focus on oxygen transport mechanisms during endurance events.
Main Results:
- Marathon runners utilize approximately 75% of their maximal oxygen uptake (VO2 max).
- Elevated ventilation rates (> 80 L/min) can cause respiratory muscle fatigue and reduced lung capacity.
- Prolonged exertion leads to muscle fiber inflammation and necrosis.
Conclusions:
- Marathon running imposes extreme physiological stress on multiple systems.
- Strategies like training, nutrition, and pacing are key to performance enhancement.
- Further research into mitigating physiological fatigue is warranted.
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