Which test is used to measure cardiorespiratory fitness?

The 3-Minute Step Test is specifically designed to assess cardiorespiratory fitness by evaluating how well the body responds to exercise over a set period. During this test, an individual steps up and down on a platform for three minutes at a consistent rhythm, and then their heart rate is measured immediately after the exercise. This heart rate response gives insights into the efficiency of the cardiovascular and respiratory systems during physical activity.

Cardiorespiratory fitness is an important aspect of overall health, as it reflects the body's ability to supply oxygen to muscles during prolonged physical activity. The 3-Minute Step Test is simple, requires minimal equipment, and can effectively gauge improvements in cardiovascular fitness over time.

The other tests mentioned, while useful for measuring different aspects of fitness, do not primarily assess cardiorespiratory fitness. The 1-Minute Sit Test focuses on flexibility and muscular endurance, the Push Up Test measures upper body strength, and the Vertical Jump Test evaluates explosive leg power. Thus, the 3-Minute Step Test stands out as the appropriate choice for measuring cardiorespiratory fitness.