Have anyone used the direct boarding at DXB Concourse A from the EK lounges?

Have anyone used the direct boarding at DXB Concourse A from the EK lounges? Are the direct boarding aerobridges for people travelling in First and Business or anyone with access to EK lounges?

I have boarded directly from the Business lounge in Dubai. It was very fast, and easy to board the aircraft directly. From my experience, you wouldnt be able to board the aircraft from the lounge if you were travelling in Economy, as the elevators take you directly to the upper deck boarding area, however, some elevators in the lounges allow you to proeceed directly from the lounges to the general lower deck Economy class boarding area.

Here's an URL of a video from youtube that shows the direct boarding process from the Business class lounge to the A380: 

http://www.youtube.com/watch?v=6gikiEobxck

Hope I helped! 

Thanks Brad. The information was indeed very helpful.