I understand that there is a different with the traditional ways of doing the exercises. In these days, there is a blending of exercises though. Often times there are 2 or even 3 mixed up to make one. For me, and many others, there is no hard set way of doing something anymore in a lot of cases. We have learned so much from 50 years ago. I also understand foot placement can determine which muscle groups are activated. My point stands, why not do both. At least to see which he likes better. Or just do both if time is not a problem.