Agenesis of Palmaris Longus in Southern of Iran: A Population Based Study

Karimi-Jashni,

doi:10.3844/ojbsci.2014.8.11

Cited by 6 publications

(5 citation statements)

References 20 publications

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“…In addition, the prevalence of absence of the muscle was compared between the two genders. In this study, the overall prevalence of absence of the palmaris longus muscle was 13.2%, which was lower than three studies performed by Karimi et al ( 4 ) (13.2% vs. 30.7%, P < 0.001), Ashouri et al ( 5 ) (13.2% vs. 22.8%, P < 0.001) and Kamrani et al ( 6 ) (13.2% vs. 21%, P = 0.002) in Iran ( 3 - 5 ). Compared to other studies, the prevalence of palmaris longus absence in Serbia (22.4% and 37.5% in two studies ( 14 , 15 )), America (25.0%, ( 16 )), Turkey (26.6%, ( 17 )), India (17.2% to 28.0% in three studies in Indian population ( 7 , 18 , 19 )) and Bahrain (36.4%, ( 20 )) was higher than our result.…”

Section: Discussioncontrasting

confidence: 74%

“…In most races, variation of the occurrence of absence of the palmaris longus muscle has been reported ( 3 ). Karimi-Jashni et al reported the prevalence of absence of the palmaris longus muscle (30.7%) in the south of Iran ( 4 ). In another study, the prevalence of palmaris longus muscle agenesis in Tehran (the capital of Iran) was reported as 22.8% in medical students ( 5 ), and in an additional study this prevalence was reported as 21.0% in patients referred to one health center ( 6 ).…”

Section: Introductionmentioning

confidence: 99%

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The Prevalence of Absence of the Palmaris Longus Muscle Tendon in the North of Iran: A Comparative Study

Nasiri

Pourghasem

Moladoust

2016

Iran Red Crescent Med J

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Background:The palmaris longus is a degenerating weak flexor muscle in the anterior of the forearm. Many techniques for clinically determining the presence of the palmaris longus have been described. Ethnic variations in the prevalence of the absence of the palmaris longus are well known.Objectives:This study considered the prevalence of absence of the palmaris longus muscle tendon in the north of Iran.Patients and Methods:The presence of the palmaris longus was clinically determined in 562 men and women from the Guilan population, using the standard technique (Schaeffer’s test). In subjects with an absent palmaris longus, three other tests (Thompson, Pushpakumar and Mishra tests) were performed to confirm the absence.Results:The overall prevalence of right, left, bilateral and total absence of the palmaris longus were 4.1%, 5.2%, 3.9% and 13.2%, respectively. There was no significant difference in its absence with regard to the body side or gender (P > 0.05).Conclusions:This study demonstrated that the presence of the palmaris longus muscle tendon in the Guilan population was considerably higher than the absence of the palmaris longus tendon. The overall prevalence of right, left, bilateral and total absence of the palmaris longus was not significantly different between men and women. The prevalence of the left-absent palmaris longus was more common in the present study.

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Section: Discussioncontrasting

confidence: 74%

Section: Introductionmentioning

confidence: 99%

The Prevalence of Absence of the Palmaris Longus Muscle Tendon in the North of Iran: A Comparative Study

Nasiri

Pourghasem

Moladoust

2016

Iran Red Crescent Med J

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“…This role is due to its slender move over the long adaptor of the thumb [ 10-12 ]. Generally, its role is negligible and this is the reason why it is lost in many operations without cost to the function of the forearm or the wrist [ 13 ].…”

Section: Physiologymentioning

confidence: 99%

Palmaris Longus Muscle’s Prevalence in Different Nations and Interesting Anatomical Variations: Review of the Literature

Dimitriou

Katsourakis²,

Natsis

et al. 2015

J Clin Med Res

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The prevalence of the palmaris longus (PL) muscle varies more than any other muscle in the human body. Its absence across the world ranges between 1.5% and 63.9%. It presents with many different anomalies, discovered either clinically, intraoperatively or after anatomical examination of cadavers. This paper includes recent studies and reports about the presence and variations of the PL muscle, thereby illustrating the differences between ethnic groups, as well as emphasizing the different ways of finding it, during daily clinical and surgical practice.

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“…prevalent in females (29.7%) than in men (21.1%) [20]. In the southern region of Iran, (38.6%) of the participants with absence were females, while only (22.7%) of the participants were men [29]. However, there are contradictory studies, such as the research conducted in East Africa, which revealed a greater rate of absenteeism among females than males [30].…”

Section: Discussionmentioning

confidence: 99%

Prevalence of Palmaris Longus Muscle Agenesis Among Students Assessed Using Various Clinical Assessment Tests

Wafa¹,

Abumosamah²,

Gasibat³

2023

IJAR

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Introduction: Since the lack of Palmaris Longus Muscle (PLM) has no effect on hand and wrist function, it is considered a non-essential muscle. However, its clinical relevance stems from its widespread application in reconstructive and hand surgery. In addition to gender differences, some sources assert that its absence is more prevalent in those genders who lack it in some way, that it is more prevalent when both eyes are missing, and that it is more prevalent when just one eye is present. Aim: The primary objective of this research was to find out how common PLM agenesis is among students of both genders. The secondary objective was to demonstrate that a classical test (Schaffer's test) can be reliably compared to other tests such as Thompson's test, Mishra's test, AIIM's test, and the Hiz-Ediz test. Materials and Methods: The study was a cross-sectional study carried out at the MAHSA University; A total of 224 cases, comprised of 126 (56.3%) females and 98 (43.8%) males. Each participant was requested to perform five clinical tests namely, Schaeffer’s test, Thompson’s test, Mishra’s test, AIIM’s test, and the Hiz-Ediz test. Results: The frequent agenesis of the palmaris longus in the right forearm of our study with the Schaeffer’s test was (20.5%) and Thompson’s and Hiz-Ediz tests had equal percentages of agenesis (22.3%) while Mishra’s test (22.8%), and AIIMs test (29.5%) of the participants. Moreover, Thompson’s test had the highest percentage of (70.5%) compared to other tests for detecting the presence of PLM in the left forearm. The second nearest test for PLM detection was Schaeffer’s test with a percentage of (67.4%). AIIMs test was able to detect PLM in (64.3%) of the participants and Mishra’s test and Hiz-Ediz tests had close percentages of (59.4%) and (57.6%) respectively for PLM detection. Conclusion: It can be concluded that Thompson’s test had a higher percentage among the tests to detect the presence of the PLM tendon in females while Schaeffer’s test was more significant in males. Thompson's test had the best accuracy level and the highest percentage level of agreement with Schaeffer's test compared to the other tests. KEY WORDS: Palmaris Longus Muscle; Agenesis; Schaeffer's Test, Anatomical Variation, Forearm.

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Agenesis of Palmaris Longus in Southern of Iran: A Population Based Study

Cited by 6 publications

References 20 publications

The Prevalence of Absence of the Palmaris Longus Muscle Tendon in the North of Iran: A Comparative Study

The Prevalence of Absence of the Palmaris Longus Muscle Tendon in the North of Iran: A Comparative Study

Palmaris Longus Muscle’s Prevalence in Different Nations and Interesting Anatomical Variations: Review of the Literature

Prevalence of Palmaris Longus Muscle Agenesis Among Students Assessed Using Various Clinical Assessment Tests

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