I've seen many people shy away when asked to do [Hagbaha (‏הגבהה‏)](https://en.wikipedia.org/wiki/Torah_reading#Hagbaha), thinking themselves too weak. I know for a fact that it doesn't take that much strength to do it correctly, so I'd love to see a writeup of proper technique.

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[See also the Sefaradi version of this question.](https://judaism.stackexchange.com/questions/10195/how-does-hagbah-work-on-a-sephardic-torah-case)