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The efficiency of human movement--a statement of the problem
Medicine and Science in Sports and Exercise
|June 1, 1985
Summary
Human movement efficiency varies significantly due to multiple factors. This series explores these factors, aiming to clarify terminology for better understanding of energy cost in physical activities.
Area of Science:
- Biomechanics
- Human Physiology
- Exercise Science
Background:
- Significant variation exists in oxygen uptake among individuals performing the same submaximal running task.
- This variability suggests complex interactions influencing the energy cost of human movement.
Purpose of the Study:
- To introduce a series of papers examining the efficiency of human movement.
- To clarify the definitions and applications of 'efficiency,' 'economy,' and 'effectiveness' in human movement studies.
Main Methods:
- Exploration of a multidisciplinary approach to understanding energy expenditure.
- Analysis of factors contributing to variations in oxygen uptake.
- Review of existing definitions and proposed standardized terminology.
Main Results:
- A model is presented where biomechanical, physiological, psychological, and biochemical factors interact to determine overall energy cost.
- The study highlights the importance of distinguishing between 'efficiency,' 'economy,' and 'effectiveness.'
Conclusions:
- Standardizing terminology is crucial for clear communication in the field of human movement efficiency.
- A unified approach is needed to accurately assess and describe the energy cost of physical activities.