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Hypertrophy of palmaris longus muscle, a rare anatomic aberration
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Abstract
The palmaris longus muscle (PLM) is considered to be a phylogenetically degenerate muscle. For many authors, this may be the cause of its great variability. The loss of function in the PLM makes it an important muscle in plastic and reconstructive surgery. During a study of PLM agenesis rate in the Hungarian population, a 22-year-old female showed an unusual pattern of muscles in her left forearm, which was found to be a hypertrophied PLM. The hypertrophied muscle was causing symptoms of median and ulnar nerve compression.
Abstract
The palmaris longus muscle (PLM) is considered to be a phylogenetically degenerate muscle. For many authors, this may be the cause of its great variability. The loss of function in the PLM makes it an important muscle in plastic and reconstructive surgery. During a study of PLM agenesis rate in the Hungarian population, a 22-year-old female showed an unusual pattern of muscles in her left forearm, which was found to be a hypertrophied PLM. The hypertrophied muscle was causing symptoms of median and ulnar nerve compression.
Keywords
palmaris longus, median nerve compression, ulnar nerve compression, muscle hypertrophy, muscle anomaly
About this articleTitle
Hypertrophy of palmaris longus muscle, a rare anatomic aberration
Journal
Issue
Article type
Case report
Pages
262-264
Published online
2015-05-28
Page views
1642
Article views/downloads
2576
DOI
10.5603/FM.2015.0040
Pubmed
Bibliographic record
Folia Morphol 2015;74(2):262-264.
Keywords
palmaris longus
median nerve compression
ulnar nerve compression
muscle hypertrophy
muscle anomaly
Authors
N. Barkáts
