How is curl-up performance typically measured in the Navy PRT?

Curl-up performance in the Navy Physical Readiness Test (PRT) is measured by assessing the maximum number of repetitions performed within one minute. This approach allows for a consistent and standardized evaluation of core strength and endurance across different individuals. By focusing on maximum repetitions within a set time frame, it provides a clear benchmark that can indicate improvements in fitness levels over time.

Using this method encourages participants to perform as many curl-ups as they can while maintaining proper form, thereby ensuring the measurement reflects their muscular endurance effectively. It offers a straightforward way to gauge physical capabilities and set goals for improvement in core strength, which is essential for overall physical readiness.

Other methods of measurement, such as total time held or a specific number of repetitions, do not align with the Navy's testing protocol for this exercise, and assessing overall endurance is too broad, as it does not account for the specific performance metric of curl-ups within the context of the test.