Which test is used to evaluate an athlete's anaerobic capacity?

The 300-yard shuttle is specifically designed to assess anaerobic capacity, which is the ability to perform high-intensity exercise in short bursts without relying on the aerobic energy system. This test involves repeated sprints over a distance of 300 yards, requiring quick bursts of energy and recovery. It effectively measures how well an athlete can generate energy without consuming oxygen, thus evaluating their anaerobic fitness.

In contrast, the 12-minute run and the 1.5-mile run are endurance tests that primarily assess aerobic capacity, focusing on sustained aerobic activities rather than short, intense efforts. The sit-and-reach test is a flexibility measurement and does not relate to anaerobic capacity at all. Thus, the 300-yard shuttle stands out as the appropriate choice for evaluating anaerobic performance.