mechanical advantage

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mechanical advantage

Etymology: Gk, mechane, machine; L, abante, superior position
the ratio of the output force developed by a muscle to the input force applied to the body structure that the muscle moves. Variations in the sizes of muscles and the lengths of bones in different individuals partially account for the differences in mechanical advantage and physical capabilities, such as speed and strength, among body types.
References in periodicals archive ?
Likewise, the mechanical advantage of the claws' lever systems exhibit the same ranking: C.
Crabs that specialize on hard prey have a mechanical advantage of 0.
Because the crushing force applied at the tip of the claw's fingers is a function of the pulling force exerted by the closer muscle and the mechanical advantage of the claw's lever system, we expect that the crusher claw of C.
The mean mechanical advantage of the regenerating claw (0.
Among experimental animals, mechanical advantage did not correlate with the covariate, propodus length (F = 1.
Among injured crabs collected from Dixon Island and Grappler Inlet, mechanical advantage increased as the cheliped grew through successive regenerative molts (mechanical advantage = 0.
063) toward greater mechanical advantage in the normal claws of injured rather than intact crabs.
Caveat: mechanical advantage is sometimes perceived rather than actual; for example, students think they are doing things faster than they really are.
Ways are needed," he added, "to assess mechanical advantage.