Theory of formation of the postmortem muscle contraction ridge during mechanical stimulation of skeletal muscles

Tumanov E.V.; Kildyushov E.M.; Uslontsev D.N.

doi:https://doi.org/10.17116/sudmed20246706117

Tumanov E.V.

N.I. Pirogov Russian National Research Medical University (Pirogov University)

ORCID: 0000-0002-8413-4895

Kildyushov E.M.

N.I. Pirogov Russian National Research Medical University (Pirogov University)

ORCID: 0000-0001-7571-0312

Uslontsev D.N.

Bureau of Forensic Medicine named after A.I. Mastbaum

ORCID: 0000-0001-5014-3999

Theory of formation of the postmortem muscle contraction ridge during mechanical stimulation of skeletal muscles

Authors:

Tumanov E.V., Kildyushov E.M., Uslontsev D.N.

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Journal: Forensic Medical Expertise. 2024;67(6): 17‑20

DOI: 10.17116/sudmed20246706117

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To cite this article:

Tumanov EV, Kildyushov EM, Uslontsev DN. Theory of formation of the postmortem muscle contraction ridge during mechanical stimulation of skeletal muscles. Forensic Medical Expertise. 2024;67(6):17‑20. (In Russ.)
https://doi.org/10.17116/sudmed20246706117

Подписка 2026 Судебно-медицинская экспертиза (Forensic Medical Expertise)

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Abstract:

The study aimed to develop a theory of the formation of the postmortem muscle contraction ridge with mechanical stimulation of skeletal muscles. We determined the distribution of stress arising in the muscle as a result of a local impact. No muscle contraction ridge developed in the series of 10 experiments, where Gd³⁺ was impregnated into muscle tissue using electrophoresis before the test for idiomuscular contracture. The authors theorized that the muscle contraction ridge develops due to the activation of mechanosensitive channels. The terms «mechanically induced contracture» and «mechanosensory contracture» were proposed to determine the postmortem muscle contraction ridge resulting from mechanical stimulation of skeletal muscles since they more accurately reflect the essence of the phenomenon under consideration.

Keywords:

muscle contraction ridge

theory of formation

mechanosensory channels

mechanically induced contracture

mechanosensory contracture

Authors:

Tumanov E.V.

N.I. Pirogov Russian National Research Medical University (Pirogov University)

ORCID: 0000-0002-8413-4895

Kildyushov E.M.

N.I. Pirogov Russian National Research Medical University (Pirogov University)

ORCID: 0000-0001-7571-0312

Uslontsev D.N.

Bureau of Forensic Medicine named after A.I. Mastbaum

ORCID: 0000-0001-5014-3999

Received:

13.02.2024

Accepted:

20.05.2024

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References:

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