[Lisa~]

I'd stick with a conventional deadlift with the standard Olympic bar. Why switch to a trap bar deadlift, which is a variation of a deadlift, before you've even learned the real lift? A trap bar deadlift makes the movement a lot more like a squat, which you're already doing. While there's certainly nothing wrong with using a trap bar deadlift in a program, it's not the lift called for in this program.