The Bosco Repeat Vertical Jump is a variation of the vertical jump test that measures anaerobic leg power. This test involves performing multiple jumps within a set time period. It is part of the Bosco Ergo Jump Protocol, which aims to assess an individual’s explosive power.
Test Procedure
To conduct the Bosco Repeat Vertical Jump test, you will need the following equipment: Bosco Ergojump System (or a similar device such as a jump mat, Myotest, or infrared laser system), stopwatch, and recording sheets. Before the test, explain the procedure to the participant and screen them for any health risks. Obtain informed consent and record basic information such as age, height, body weight, and gender. Calibrate the timing mat measurement and ensure the subject performs a proper warm-up.
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During the test, the participant will start in a stationary position on the mat with their weight evenly distributed across both feet. They will place their hands on their hips throughout the test. When ready, the participant will squat down until their knees bend at a 90-degree angle and then jump vertically as high as possible. They should land back on the mat with both feet at the same time, bending their knees, and repeating the jumping action. This sequence of maximum jumps continues for the set time period, which can range from 5 to 60 seconds.
Scoring and Results
The Bosco Repeat Vertical Jump test provides several results that can be calculated using the collected data. These include:
- Jump height: The height of each vertical jump can be calculated using the formula: jump height = 4.9 x (0.5 x Time)².
- Average power: The average power generated can be calculated using the test duration, number of jumps, total flight time, and acceleration due to gravity.
- Fatigue index: The fatigue experienced over time can be calculated by comparing average jump heights during specific time intervals.
Advantages and Disadvantages
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Some advantages of the Bosco Repeat Vertical Jump test include its ability to provide more information about lower limb power compared to a simple vertical jump test for height. However, there are also some limitations to consider. The accuracy of the jump height measurement can be affected by the extent to which the knees are bent, and it may be challenging to control this variable consistently.
References
- Bosco C, Luhtanen P, Komi PV. A simple method for measurement of mechanical power in jumping. Eur J Appl Physiol Occup Physiol. 1983;50(2):273-82.
The Test in Action
To see the Bosco Repeat Vertical Jump test in action, you can refer to the Bosco Ergo Jump System. Additionally, there are videos available that demonstrate the proper execution of this test.
Similar Tests
- Bosco Countermovement Jump
- Bosco Squat Jump
- Force Plate Vertical Jump
- Vertical jump using a timing mat
Related Pages
- Learn more about Carmelo Bosco, the pioneer in jump testing.
- Explore the various equipment options available for vertical jump testing.
- Discover other vertical jump techniques.
- Find a list of anaerobic tests for assessing leg power.
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