|(Physiol.)||that portion of physiology which has for its object the investigation of the laws of equilibrium and motion in the animal body. The most important mechanical principle is that of the lever, the bones forming the arms of the levers, the contractile muscles the power, the joints the fulcra or points of support, while the weight of the body or of the individual limbs constitutes the weight or resistance.|
See also: Mechanics
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.