# Quantity of motion

Also found in: Medical.
Related to Quantity of motion: momentums
 (Mech.) in a body, the relative amount of its motion, as measured by its momentum, varying as the product of mass and velocity.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Therefore, the success rate is described as in (3), where A denotes the quantity of motion intentions which are correctly recognized and B denotes the total quantity of motion intentions which are requested to identify.
Once located the operator grips the cuboid between their thumb and index finger, then articulate the cuboid in an oblique manner med to lat, assessing for quality & quantity of motion.
There is an old saying in the world of Pilates that manifests this emphasis on the quality over quantity of motion when performing exercise: "It is not how many; it is how." (Above: Photographs courtesy of Simona Cipriani, The Art of Control Pilates.)
Direct method for evaluating the static flexibility of the goniometer (Protractor), Flksvmtr (Flexible gauge), or Aynklynvmeter (Turnkey) used in these methods, the quantity of motion is measured in degrees.
I conclude with a question: If, as Descartes says, "the act whereby God now conserves [the world] is just the same as that by which he created it," (61) and if the total quantity of motion now has a determinate numerical value (a positive number resulting from a vast sum over all corpuscles of the product of the size and speed of each corpuscle at the present time), do we ever come to a time, past or future, at which the quantity of motion is zero?
Clinical assessment of spinal segmental motion involves two major constructs: quantity of motion (displacement), and stiffness (or the force-displacement relationship) (Maher 1998b).
Along these lines, in a similar way to the link between the Newtonian force and momentum, the former being the time rate of change of the latter, I argue that vis viva is actually a quantity of motion and power, its time rate of change, is the cause of motion.

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