Rigidity
131Rigid — In mathematics, suppose C is a collection of mathematical objects (for instance sets or functions). Then we say that C is rigid if every c in C is uniquely determined by less information about c than one would expect.It should be emphasized that… …
132Muscle tone — For the use of the term tone in weight training and bodybuilding, see Toning exercises. In physiology, medicine, and anatomy, muscle tone (residual muscle tension or tonus) is the continuous and passive partial contraction of the muscles, or the… …
