Congenital Absence of the Palmaris Longus Muscle: A Meta-Analysis Comparing Cadaveric and Function Studies

The aim of our paper was to provide comprehensive data on the prevalence of absence of palmaris longus muscle (PLM) and its anatomical characteristics, and conduct two separate meta-analyses comparing cadaveric and functional studies while identifying variation among different ethnic groups. An extensive search was conducted through the major electronic databases to identify eligible articles. Data extracted included prevalence of absence of palmaris longus muscle among subjects, ethnicity, laterality, side and gender.

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