Physical Therapy Assistant Practice Exam

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What is the maximum heart rate formula based on a person's age?

220 - age
210 - age
200 - age
230 - age

The correct answer is: 220 - age

The correct formula for estimating a person's maximum heart rate is based on the equation 220 minus the person's age. This formula is widely used in exercise physiology and helps individuals determine their target heart rate for cardiovascular training. The rationale behind this equation is that as a person ages, their maximum heart rate tends to decrease; thus, subtracting age from 220 provides a rough estimate of the highest heart rate that can be achieved during intense physical activity. This formula is particularly useful for guiding safe and effective exercise intensity levels, ensuring that individuals train within a heart rate range that is appropriate for their age and fitness level, thereby reducing the risk of overexertion. The application of this calculation is a fundamental aspect of developing exercise programs tailored to individual needs.