I bet you could make decent gains from it.. I have never used it so I don't know if everything is ergonomically correct or not..
But I think BB'ers make too much of a deal about varying the exercises they do..
I mean, guys feel obligated to do 5 or so different exercises for their bi's.. Now, I"m not an expert of exercise physiology or anything... But I can tell you that the bicep has one job and one job only-- elbow flexion.
It does not matter if you are using cables, barbells, dumbells, whatever.. Elbow flexion is elbow flexion...
Are there any exercise phys gurus on the boards???
Andy