The power flye is basically a cross between a flye and a dumbbell bench press. The elbows stay at roughly a 90 degree angle. This is normally done on a flat or inclined bench.
With this floor version, the triceps should touch the floor but not the dumbbells. This makes the chest do more work without compromising shoulder health. Pause briefly at the bottom of each rep.
This is one of the best flye variations you can do for pecs.
This article contains so many training concepts and ideas that it'll likely keep your workouts fresh and productive for months to come. This is one you'll want to print out and save.