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An Investigation of Muscle Mechanical Properties in Acute Burns and Burn Types

Year: 2025

Type: article

Abstract: Objectives: This study investigated the mechanical properties (tone, stiffness, and elasticity) of the biceps brachii (BB) muscle in the acute phase of different burn types. Methods: A total of 30 individuals (18–63 years) participated and were divided into three groups: flame, electrical, and scald burns. Myotonometric measurements assessed BB muscle tone, stiffness, and elasticity at admission (week 1) and at weeks 2 and 3. Results: When comparing the three time points, BB tone and stiffness significantly decreased by week 3 (p < 0.05), while elasticity remained unchanged (p > 0.05). Across burn types, BB tone, stiffness, and elasticity were similar at all three time points (p > 0.05). In the acute phase, BB tone and stiffness decreased by week 3, but elasticity showed no change. Conclusions: Different burn types exhibited similar BB mechanical properties over time. However, burn types may influence muscle tone and stiffness differently during acute recovery. Further studies with larger populations are needed to compare treatments across burn types and assess long-term mechanical property changes.

Source: Journal of Clinical Medicine

DOI: 10.3390/jcm14072344