Background: Sciatic nerve is a branch of sacral plexus. It passes below the pyriformis and divides in the popliteal fossa. Higher division and relation of sciatic nerve to pyriformis have been documented. Beaton and Anson have classified relation of sciatic nerve to pyriformis. The aim of this study is to find incidence of variant anatomy of sciatic nerve as per Beaton and Anson classification. Materials and methods: 48 formalin embalmed lower limbs used for regular anatomy teaching were used. Branching and course of sciatic nerve was observed in gluteal region,thigh and popliteal fossa. Observations: As per Beaton and Anson classification, we found 81.2% showed type A or normal arrangement. Type B variation was seen in 14.6% while 4.2% showed type D variation. Conclusion: Variations in branching of sciatic nerve and it’s relation to pyriformis muscle are important from point of view of Surgeons and Anaesthetists. Knowledge of these variations will help reducing block failures in cases of sciatica, pyriformis syndrome and hip replacement surgeries. KEY WORDS: Sciatic nerve, Sacral plexus, Pyriformis Syndrome, Hip replacement.
Dissecting a cadaver is a once in a lifetime opportunity for a medical student. But considering the present COVID -19 pandemic, most of the medical colleges have stopped the cadaveric dissections and other offline teaching activities since March 2020. Virtual online classes on Zoom® meetings and Google® classroom were taken. This study is done to find theviewpoint of 1 MBBS students to use of virtual online teaching in lieu of cadaveric dissection and traditional teaching methods.Pretested questionnaires were sent to willing students. A consent form was first sent followed by first questionnaire during the online classes in August 2020. Second questionnaire was sent after offline classes in small groups were taken in December 2020.Online histology classes were preferred by 49.7% students. Osteology tutorials and classroom lectures of gross Anatomy were preferred over virtual classes. Students preferred recorded lecture to live online lecture because of connectivity issues.Online classes helped in continuation of classes during pandemic. But online lectures and virtual dissection can’t replace classroom lectures and cadaveric dissection.
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