done correctly
ie tight
there are no cons, only pros
more weight lifted
Stretch Shortening Cycle
its a misconception calling it a drop
if you drop it is not correct technique, it is like drawing a bow or a slingshot
there is always a controlled resistance
for example the upper body is tight and flexed, quads, and glutes push up as the hammies curl the body down as the hips are pushed back
the body is accelerated from the drop with max speed at the point of reversal
uses the bodies natural Stretch Reflex to return the energy stored on the eccentric phase to give you power for the concentric, works for bench too
even deadlifts believe it or not