Tuesday, 28 May 2024

Tri-level Aerobic Test

The Tri-Level Aerobic Test is a comprehensive fitness assessment that consists of a series of sub-maximal cycling tests. This article will provide you with all the information you need to know about this test and how it can help evaluate your aerobic endurance.

Equipment and Pre-Test Preparation

To conduct the Tri-Level Aerobic Test, you will need a Repco front access cycle ergometer, a heart rate monitor (or the manual palpation method), a work monitor unit (optional), a stopwatch or clock, and scales to determine the athlete’s body weight before the test.

Before starting the test, it is crucial to explain the procedures to the subject, perform a health risk screening, and obtain informed consent. Gather basic information such as age, height, body weight, gender, and test conditions. Adjust the height of the bike seat and ensure the athlete performs an appropriate warm-up.

Test Procedure

During the Tri-Level Aerobic Test, the athlete will pedal in one-minute increments of 25 Watts (starting at 25 Watts) until their heart rate reaches 75% of their predicted maximum heart rate, which can be estimated using the formula 220 – age. The athlete should continue pedaling until the end of the minute during which the target heart rate is achieved. If the target heart rate is reached during the final minute, the workload at which it was achieved is calculated by extrapolation.

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Scoring and Evaluation

The workload at which the athlete achieves 75% of their predicted maximum heart rate is recorded. This score is then divided by the athlete’s body weight, resulting in an aerobic index. Norm tables are available for comparison to the general population, allowing you to assess your aerobic fitness level.

Advantages and Disadvantages

One of the advantages of the Tri-Level Aerobic Test is that it is suitable for seated athletes, making it ideal for ECG monitoring. Additionally, this test is well-suited for older participants as it does not require maximal exertion.

However, it’s important to note that this test is performed on a cycle ergometer, which may give an advantage to cyclists.


Q: Can I perform the Tri-Level Aerobic Test if I am not a cyclist?

A: Yes, the Tri-Level Aerobic Test can be performed by individuals of various athletic backgrounds. It is designed to assess aerobic endurance in a wide range of individuals, not just cyclists.

Q: How can I interpret the results of the Tri-Level Aerobic Test?

A: The Tri-Level Aerobic Test provides an aerobic index score that can be compared to norm tables for the general population. A higher score indicates better aerobic fitness.


The Tri-Level Aerobic Test is a valuable tool for assessing and monitoring aerobic endurance. By incorporating this test into your fitness program, you can track your progress and make informed decisions about your training. Remember to consult with a fitness professional to ensure proper administration and interpretation of the results.

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For more information about the Tri-Level Aerobic Test and other fitness assessments, visit Auralpressure.