Introduction: Palmaris longus is often described as one of the most variable muscles in the human body and is phylogenetically classied as a retrogressive muscle. Being a primitive muscle, its bro-fascial distal component along with the palmar aponeurosis represents phylogenetic degeneration. Palmaris longus is one of the most desirable tendons in reconstructive surgery, as it is a supercial muscle that makes the process of harvesting easier and safer. The study aims to know the prevalence and morphology of the Palmaris longus muscle and to determine the proximal incision site for harvesting the tendon of Palmaris longus. Materials and methods: Source of data: A study was conducted on 100 upper limbs (50 right and 50 left) from embalmed cadaver allotted for 1st MBBS students. Method: Dissection and observation of the status of prevalence and morphology of Palmaris longus muscle were done and this data was used to frame the site of incision for harvesting its tendon. The data of prevalence in Results: which out of 100 upper limbs, 90 limbs showed normal morphology and 10 limbs (5 right and 5 left) showed complete agenesis. The mean belly length, belly width and tendon length, tendon width on both limbs were tabulated. Based on the observations a formula to determine the proximal incision site was derived. Conclusion: The variations of Palmaris longus is more common, the surgeons should have proper knowledge about prevalence, morphology and site of incision for harvesting Palmaris longus tendon for reconstruction surgeries.
Background: The French surgeon, Paul Segond described the existence of “Pearly, resistant brous band” at the anterolateral aspect of the human knee in 1879. This is perhaps the rst description of what is today known as Anterolateral Ligament (ALL). Injury to this structure (tibial avulsion of anterolateral ligament) is classically called the Segond fracture and is pathognomonic of associated anterior cruciate ligament tear. Aim of the study is to describe the gross anatomy of anterolateral ligament and its relationship with nearby structures. Dissection was done on 30 embalmed cadaveric knees allotted for dissection to medical students atMethods: Department of Anatomy, KIMS, Hubli over a period of 2 years. When present, its length and width were measured. It revealed that theResults: Anterolateral ligament was present in 20 and absent in 10 specimens. The mean length of ALL is 36.22±1.18mm and mean width of ALL is 4.28±0.29mm. This study describes the morphology and also estimates the incidence, mean length and mean width (at joint level) ofConclusion: ALL in north Karnataka population.
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