The stereom of the radials and deltoids on each side of the ambulacra is thrown into folds, running across the radio-deltoid FIG.
In the high bar method, the bar will be resting on top of the posterior deltoids right at the base of the neck.
The military press targets the other end of the spectrum, splitting the effort between anterior deltoids and upper pecs.
Others build natural shoulder pads by working on their deltoids.
The deltoids muscles are those that run along the caps of the shoulder.