The Cable Incline Fly (on Stability Ball) is a fly variation using a cable, performed incline. This variation stretches the chest at the bottom and squeezes it at the top through a slow arc motion. It's ideal for building chest width and a deeper stretch than pressing alone provides.
Log your cable incline fly (on stability ball) sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.