The amount of time it takes to start a movement once your senses signal the need to move is...*1 pointCoordinationReaction TimeMuscular EnduranceAgility

The correct answer is Reaction Time.

Explanation:

Reaction time refers to the duration of time taken for a person to respond to a stimulus. It is a critical component of physical performance in numerous sports and physical activities. Reaction time involves the time it takes for sensory receptors, such as those for vision or touch, to process the stimulus and for the nervous system to send signals to muscles to initiate movement.

This measurement can vary based on factors like age, fitness level, and the type of stimulus. In contrast, the other options listed, such as coordination, muscular endurance, and agility, relate to different aspects of physical performance. Coordination involves the ability to control body movements in a smooth and efficient manner, muscular endurance refers to the ability of muscles to perform repeatedly over time, and agility is the ability to rapidly change direction while maintaining control.

Understanding reaction time is essential, especially in sports where quick decisions and movements can be the difference between success and failure.