When considering the muscle as part of a lever system, a calculated "moment" for the muscle would be force times power arm length.

Question

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The moment of a force is calculated as force times distance perpendicular to the point of application of the force (also known as the lever arm or power arm). In the context of muscles as part of a lever system, the moment of a muscle would be calculated as the force the muscle is able to generate multiplied by the length of its power arm (i.e. the distance between the muscle's attachment point and the joint around which the lever rotates).

When Considering the Muscle as Part of a Lever System