Last winter I had great success with an HST program I designed based on things I read on this site. I want to try switching things up a bit this time though. The main thing I want to change is the frequency/split. Last year I did full body AM/PM, one day on, one day off. This was based on reading examples of Bryan's routines, and trying to maximize the summation effect, while getting a day of rest to avoid overuse injury. This time I would like to try going 6 days on, one day off. Still hitting same body parts twice each day for summation, but alternating between push one day, and pull the next. I figure the pull muscles can get their rest on the pull days and vice versa. This will allow for shorter, but more frequent sessions. Any flaws in my thinking?