ArticleAnatomy & cell biology2026
Analysis of muscle morphology and knee joint range of motion of rat preserved using a modified Larssen solution.
Article in Anatomy & cell biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Cadavers are essential for anatomical education, but limited availability necessitates long-term preservation. While formalin is widely used, it is carcinogenic and alters muscle morphology and joint mobility, reducing anatomical accuracy. The modified Larssen solution (MLS) has shown promise in improving joint flexibility, yet its efficacy remains underexplored. This study aimed to evaluate muscle condition and joint range of motion in rat specimens preserved with 4% formalin followed by MLS immersion, compared to continuous 4% formalin preservation. Eighteen rat cadavers were allocated into three groups: intracardiac perfusion followed by 0.9% NaCl immersion, intracardiac perfusion and three-month immersion in 4% formalin, and intracardiac perfusion with 4% formalin followed by three-month immersion in MLS. Statistical analysis included the
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