Journal: Drug Invention Today

Article Id: JPRS-Pcol-00002627
Title: Absence of palmaris longus muscle
Category: Pharmacology
Section: Research Article
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    Introduction: The palmaris longus (PL) muscle is a slender, flexor muscle present in the forearm. It is visible as a small tendon between the flexor carpi radialis and the flexor carpi ulnaris. It is phylogenetically a degenerating muscle which shows a lot of variations. The most common one being absence. Based on ethnicity, gender, race, and hand dominance, it may be absent in individuals either unilaterally or bilaterally. The aim of this study is to find and conclude the frequency of the absence of PL muscle in the population of Chennai. Materials and Methods: This is a survey-based study done through an online portal surveymonkey.com. A questionnaire enquiring about PL muscle absence, gender, hand dominance, etc., was prepared and circulated among the students of Saveetha Dental College through social media platforms. A total of 88 females and 12 males took this survey. The data collected were then represented graphically using appropriate statistical methods, and the findings were concluded. Result: In 66% of individuals, the PL muscle was present in both hands, while in 10%, it was absent bilaterally. In 12% of subjects each, there was right-handed and left-handed unilateral absence. Talking about hand dominance, 86% of the subjects were right-handed, 6% left-handed, 4% ambidextrous, 2% initially ambidextrous but now left-handed and another 2% initially ambidextrous but now right-handed. Conclusion: The PL muscle is highly variable in its bilateral and unilateral occurrence and the dependence of handgrip on it is highly arguable.

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    Author(s) Name:

    Ankita Komal Labh1 , Thenmozhi M S2*

    Affiliation(s) Name:

    1 Department of Anatomy, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India,

    2 Department of Anatomy, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India

    *Corresponding author: Thenmozhi M S, Department of Anatomy, Saveetha Dental College, Saveetha University, 162, Poonamallee High Road, Chennai - 600 077, Tamil Nadu, India

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    Author:

    Ankita Komal Labh1 , Thenmozhi M S2*

    Title:Absence of palmaris longus muscle
    Journal:Drug Invention Today
    Vol(issue):10 (Nov)
    Year:2018
    Page No: (2313-2316)
  • Experimental Methods Keywords

    Methodology:A survey-based study
    Research Materials:Palmaris longus muscle

Keywords

Absence Bilateral Hand dominance etc. Palmaris longus Unilateral

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