Treadmill tests are a common way to measure cardiovascular fitness, but there are many other names for them. Stress tests, exercise tests, and cardiopulmonary exercise tests are all synonyms for treadmill tests. Each of these names emphasizes a different aspect of the test, such as the physical stress placed on the body, the specific muscles used for exercise, or the interplay between the heart and lungs. Regardless of the name used, these tests are essential for diagnosing and treating heart conditions, as they provide valuable information about how well the heart is functioning under physical stress. Whether you call it a treadmill test or a stress test, it's an important part of maintaining good cardiovascular health.