
[Middle English agilite, from Old French, from Medieval Latin agilitās, from Latin agilis. See agile.]
Agility is the ability to change body position rapidly and accurately without losing balance. It is important in sports and activities in which opponents or obstacles have to be avoided (e.g. slalom events). It is a basic component of physical fitness. Although its exact nature has not been determined, it depends on muscular power, reaction time, coordination, and dynamic flexibility.
You can use the Illinois Agility Run to evaluate your own agility (figure 3). Mark out two lines 10 metres apart and place four obstacles (e.g. chairs) at regular intervals of 3.3 metres between the lines. Lie prone with your head against the start line and with your hands beside your shoulders. Get a partner to start and time the run. On the command ‘go’, get up and run as fast as possible, following the course shown in the figure. Use the following table to rate your agility:
| MALE | FEMALE | RATING |
|---|---|---|
| <15.2 | <17.0 | excellent |
| 16.1 | 17.9-17.0 | good |
| 18.1-16.2 | 21.7-18.0 | average |
| 18.3-18.2 | 23.0-21.8 | fair |
| >18.3 | >23.0 | poor |

noun
Definition: nimbleness, deftness (physical or mental)
Antonyms: clumsiness, stiffness
The ability to change body position rapidly and accurately without losing balance. It is important in sports and activities in which opponents or obstacles have to be avoided (e.g. slalom events). It is a basic component of physical fitness. Its exact nature has not been determined, but it does depend on muscular power, reaction time, coordination, and dynamic flexibility. See Illinois agility test.
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Agility or nimbleness is the ability to change the body's position efficiently, and requires the integration of isolated movement skills using a combination of balance, coordination, speed, reflexes, strength,and endurance.
In sports, agility is often defined in terms of an individual sport, due to it being an integration of many components each used differently (specific to all of sorts of different sports). Sheppard and Young (2006) defined agility as "a rapid whole body movement with change of velocity or direction in response to a stimulus." In business and software development, agility means the capability of rapidly and efficiently adapting to changes. Recently agility has been applied e.g. in the context of agile software development and agile enterprise.
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