Was wondering which would be some good excersizes for the Serratus Anterior muscle, because i'm taking a course to become a personal trainer, and our instructor had us all do this demonstration where we did a push up against the wall and he felt between our shoulder blades, and if our Scapula's were winging out while we were pushing out he said this was weakness of the
serratus anterior, i and 2 other bigger guys had slight winging out.. trainer said for what he noticed on me cable rows would work good to stregthen this muscle up, you guys know of any others that would work?