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5 Components of Fit
Quick reference to the 5 components of fitness
| Term | Definition |
|---|---|
| FIT Principle | The variables of frequency, intensity and time |
| Frequency | Number of exercise sessions per week |
| Intensity | Training load expressed as weight, speed or heart rate |
| Overload | An increase in one or more of the FIT variables to provide an additional workload |
| Progression | Gradual increase in one or more of the FIT variables to create an overload |
| Specificity | Exercise training is specific to the muscles used and the component of fitness trained |
| Time | Minutes or repetitions |
| Muscular Strength | The ability of a muscle or muscles to push or pull with its/their total force |
| Muscular Endurance | The muscles' ability to work over a long period of time without becoming tired |
| Flexibility | The muscles' ability to move a joint through a full range of motion |
| Cardiorespiratory Endurance | The ability of the heart and lungs to supply enough oxygen to the body during long periods of physical activity |
| Body Composition | The difference between fat-free mass and fat mass |
| Resistance Training | An activity that places an additional force against the muscle or muscle group |