Model Based Item: JOINT POWER SCALAR

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Joint Power is a scalar term computed at:

Power = [Mx,My,Mz] . [wx ,wy,wz]
Power = Mx.wx + My.wy + Mz.wz


but it has become common in the biomechanics community to resolve Power into a segment coordinate system.

Joint Power requires a "Joint" to be created because Joint Angular Velocity is the relative angular velocity between the two segments intersected by the Joint.

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