(Arms: Shoulders, Biceps, Triceps)
Seat height: handles at shoulder height
Seat height: elbows in line with axis of rotation
Don't lock your elbows!
Seat height: shoulders in line with axis of rotation
Seat height: hands comfortably able to reach handles
Cushion: sit your armpit right on the peak
Note: this tutorial video features dumbbells, but same principles apply for the EZ bar
Non-Machine Arm Exercise Suggestions
Bench press
Shoulder press (dumbbell, barbell)
Lateral raises (dumbbell, cable)
Tricep extensions (rope cable)