Airbus did a few years ago a few videos about inclusion of disabled people, including this one: https://youtu.be/RJuE_Ywl64o
It features a disabled woman with a prosthetic right arm (or hand, it is not very clear), being greeted by a new work colleague. The colleague is confused about how to shake hands with her and she helps him by extending her left hand.
The videos are not particularly good (especially compared to the fantastic ones they did on information security) but it raised a question in my head. In some situations, you do not shake hands at all (I avoid doing that when there are more people because this is ridiculous when everyone is walking around the conference room to shake hands with everyone). In others, the disabled person makes a move to show you what to do.
But what if I have to make the first move and cannot avoid shaking hands? I'm not sure about what to do, if there's an etiquette or a preferred way, either to shake the right prosthetic hand or extend my left hand.
I would be particularly interested in the point of view of someone who has actually been on one of the sides of the interaction.