IIRC OP said that his arm was bent making his way along the passage towards the bathroom, not the actual shooting, but you are right, it would have been odd.
Yes and he was also crouched as he got to the bathroom ,fact which Nel had put on the record .
I was wondering if that was put on the record so that Nel could still say OP was in fact on his legs but then that would go against Vermeulen's testimony so am not sure at all why but am expecting a lot to be cleared up during closing arguments.