That is position number 3 in the "Joy of Sex--Gimps are Horny Too Edition"....there are 47 acceptable, and 5 non-acceptable positions for intercourse in a wheelchair.
Gen, someone your size, and me being as strong as I am upper body wise, we could probably invent a couple more at least...wait a fucking second, what the hell is your location, "Da Burg Chasing Gen??"