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Amplitude of Vibration Plate

The Definition

For a whole body vibration plate, the vibration amplitude is the travel distance of the exercise platform from the lowest position to the highest position.


[Amplitude of Linear Vibration]

The slow motion animation below shows the vibration amplitude of a linear vibration plate.

Amplitude - Linear Vibration
Amplitude of Linear Vibration Plate

Linear vibration plates are usually designed to have the amplitude range between 1mm and 3mm.

The amplitude of a linear vibration is not a fixed value. It changes according to the body weight and vibration frequency. The amplitude is mostly evenly distributed on the entire exercise platform.

Linear vibration plate can be designed to have two amplitude settings.


[Amplitude of Pivotal Oscillation]

The slow motion animation below shows the vibration amplitude of a pivotal oscillation plate.

Amplitude - Linear Vibration
Amplitude of Pivotal Oscillation Plate

Pivotal Oscillation plates are usually designed to have the amplitude range between 8mm and 12mm.

The amplitude of a pivotal vibration does not change as the frequency or body weight changes. However user can change the amplitude received by changing the foot position. Towards the center of the pivotal oscillation plate, the amplitude reduces. At the center of a pivotal oscillation plate, the amplitude is zero.

The amplitude discussed above is actually peak-to-peak amplitude defined in physics. Amplitude referred by all manufacturers of vibration plate indicates peak-to-peak amplitude.

The Influence on human body

Vibration amplitude and frequency are the most important parameters for a vibration plate. The two parameters together determine the intensity of vibration and the energy stored in the vibration.

At the same frequency, the higher the amplitude, the more vigorous the vibration impact on our body.

On a vibration machine, high amplitude is more likely cause body imbalance. For safety consideration, it is recommended to use hand rail or hand straps on a high amplitude vibration plate. Pivotal oscillation plates are usually designed with higher amplitude (about 10mm). Linear vibration plates are usually designed with lower amplitude (less than 3mm).

amplitude unit mm
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