Influence of Posture, Spinal Level, Gender and Muscle Activation on Biomechanical Properties of Lumbar Erector Spinae in Healthy Young Adults.

Medicina (Kaunas) · 2026 · PMC12843352 · PMID 41597445

Europe PMC DOI

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highly significantp < 0.001actually significant

Posture exerted a highly significant influence on stiffness for females across all levels during both relaxation (L3: F = 16.91, p < 0.001; L4: F = 9.79, p < 0.001; L5: F = 7.74, p = 0.001) and contraction (L3: F = 7.58, p = 0.001; L4: F = 11.58, p < 0.001; L5: F = 12.37, p < 0.001).

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