The kinematic performance production measure of the spatial position of a limb or joint during the time course of the movement is known as:

Question

BlackTom AI · Accepted Answer

The question asks for the kinematic performance production measure of the spatial position of a limb or joint during the time course of a movement. In biomechanics and motor control, the term that describes the change in spatial position of a body segment from one point in time to another is displacement, which captures where the limb ends up relative to where it started over the movement interval.

Because the provided answer indicates option b is displacement, this aligns with the standard definition: displacement is the vector measure of position change, reflecting the spatial trajectory from start to finish. It directly corresponds to the spatial positioning aspect over time, unlike other potential measures that might describe path length, velocity, or acceleration, which capture different aspects of motion.

If there were other options available, we would compare them as follows: an option claiming total distance traveled (path length) would describe the magnitude of movement along the path rather than the simple change in position; a velocity or speed option would pertain to rate of motion rather than position; a trajectory or position-time profile might describe the path or progression but displacement specifically encapsulates the net spatial change between initial and final positions. Since those alternatives are not present in the provided list, displacement stands as the correct and appropriate term for this measure.

Dashboard Week 1 -3 Quiz

The kinematic performance production measure of the spatial position of a limb or joint during the time course of the movement is known as:

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