I understand that part..this is what confuses me
use a Bench press for this,an adjustable one is better, adj. height so the bar can go behind the neck area sitting.
This is a combo behind the neck & front to work the rear & front delts.
Press the bar upwards just clearing a few inches above the head then proceed to lower to the front and do a frontal press just clearing the head keep repeating until failure, add weight & repeat do as many as possible.
alternate to this exercise immediately
Then repeat back to seated presses.
....so basically its one excercise correct...your going from the back of the neck to the front..thats one rep? im lost to what is meant by alternate to this excercise ... and then repeat back to seated presses??? I thought that is what your doing...seated presses?