Multifidus side-to-side asymmetry

1. Sarcopenia increases multifidus side-to-side asymmetry in humans (p = 0.003).

   “MF asymmetry was greater in PS compared to Y (p = 0.003).”

   Humansprobable sarcopenialumbar multifidus muscle

   Changes in human multifidus muscle size with aging and short-term disuse

   Experimental gerontology·7 Mar 2026

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