Journal
JOURNAL OF HAND SURGERY-BRITISH AND EUROPEAN VOLUME
Volume 30B, Issue 5, Pages 525-527Publisher
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.jhsb.2005.05.003
Keywords
ethnic variations; palmaris longus; tendon anomalies
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Most standard textbooks of hand surgery quote the prevalence of absence of palmaris longus at around 15%. However, this figure varies considerably in reports from different ethnic groups. We studied 329 Chinese men and women and found palmaris longus to be absent unilaterally in 3.3%, and bilaterally in 1.2%, with an overall prevalence of absence of 4.6%. There was no significant difference in its absence with regard to the body side or the sex. Our literature review revealed a low prevalence of absence in Asian, Black and Native American populations and a much higher prevalence of absence in Caucasian populations. It is clear that a standard prevalence of absence of the palmaris longus cannot be applied to all populations.
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