cadaveric spasm

(redirected from Instantaneous Rigidity)

ca·dav·er·ic spasm

rigor mortis occurring irregularly in the different muscles, causing movements of the limbs.
An uncommon form of spasm that occurs at the time of death
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In a point ([F.sub.1], [U.sub.1]) where F(U) and U(F) are differentiable, there may be defined the instantaneous rigidity, Kl, and the instantaneous compliance, [C.sub.1], as: [K.sub.1] = [(dF/dU).sub.1], [C.sub.1] = [(dU/dF).sub.1].

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