Association Between Digit Ratio (2D:4D) and Palmaris Longus Muscle Agenesis According to Gender: A Radiological Study
December 2025
in “
Anatomy (International Journal of Experimental and Clinical Anatomy)
”
Studysummary In this study, researchers found that the congenital absence of the palmaris longus muscle was relatively uncommon and showed no significant differences according to sex, side, or digit ratio (2D:4D) among individuals assessed using MRI and radiographs.
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