Estimation of the breaking of rigor mortis by myotonometry |
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| Affiliation: | 1. Researcher, IRCCS Orthopedic Institute Galeazzi, Clinical Epidemiology Unit, Milan, Italy;2. Assistant Professor, Vrije Universiteit Brussel, Department of Experimental Anatomy, Laarbeeklaan 103, 1090 Brussels, Belgium;3. Professor, Vrije Universiteit Brussel, Department of Experimental Anatomy, Brussels, Belgium;1. Chemical Sciences & Technology Division (CSTD), CSIR-National Institute for Interdisciplinary Science & Technology (CSIR-NIIST), Trivandrum 695019, India;2. Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India;3. Department of Biochemistry and Molecular Biology, Central University of Kerala, Nileshwar, Kasargod, Kerala, India;4. Agroprocessing and Natural Products Division (ANPD), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695019, India |
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| Abstract: | Myotonometry was used to detect breaking of rigor mortis. The myotonometer is a new instrument which measures the decaying oscillations of a muscle after a brief mechanical impact. The method gives two numerical parameters for rigor mortis, namely the period and decrement of the oscillations, both of which depend on the time period elapsed after death. In the case of breaking the rigor mortis by muscle lengthening, both the oscillation period and decrement decreased, whereas, shortening the muscle caused the opposite changes. Fourteen h after breaking the stiffness characteristics of the right and left m. biceps brachii, or oscillation periods, were assimilated. However, the values for decrement of the muscle, reflecting the dissipation of mechanical energy, maintained their differences. |
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