You may want to play around with that frequency. Throw shoulders with your chest and fully exhaust it that day. Or even spend your shoulder day doing rotator cuff and other prehab work. Either way I...
That's quite a bit of pressing. My shoulders would never make it through that. Heavy bench, direct shoulder work, a back day complete with rows, and an upperbody day consisting of all three? You...
I find because of the leg drive involved I can really pack on the weight and overload the entire shoulder. My shoulder development lacked bad until I switched most of my military to push press. Still...
I suppose it's possible that your going flat footed.(maybe? Lol) but it's probably more likely you switched brands of makes of shoes. 9.5 isn't universal. Every company uses their own moulds.
I would honestly just do back twice a week. And maybe throw some bicep work in on one of the days. The one later in the week. Just seems like a lot of bicep work.