VideoPoint can be used to look at the science behind people playing sports, dancing, jumping or doing movie stunts. In many cases, you will want to look at the center of mass of the entire body. Instead of trying to guess the center of mass of the body yourself, you can set VideoPoint up to calculate the center of mass from the locations and relative masses of a series of body parts (legs and arms).

Instead of having to set up VideoPoint for each human that you want to look at, you can use some standardized data for an average man and an average woman. The masses in these are all relative, so if you want actual values, you will have to scale and re-enter the masses if your subject is heavier or lighter than average.

This example will show you how to employ blank saved files, use the HumanCM.vpt files and analyze a complex center of mass system.

Walk Through the Example

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Setting up VideoPoint

Taking Data

Moving the Origin

Scaling the Movie

Graphing Data

Creating a Mathematical Model
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