Limb symmetry index

1. Limb symmetry index predicts sway area in humans (β = -0.062, p = 0.001).

   “Quadriceps strength (β = -0.024, p < 0.001) and LSI (β = -0.062, p = 0.001) were independent predictors of sway area under eyes-closed conditions.”

   Humanseyes-closed conditionsn = 90

   Clinically feasible biomechanical assessment of lower limb strength and postural stability in adults aged 50-75 years with moderate knee osteoarthritis: implications for technology-enabled healthy aging

   Frontiers in bioengineering and biotechnology·28 May 2026

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