I fail to see how a .40 caliber could affect your shoulder, or even wrists. I've shot .44 Magnum fairly regularly over the years without any effect on my shoulders. What I've felt mostly was in my wrists. This after over fifty years of heavy recoilling guns.
I'm not claiming to be Superman nor really macho, but my shoulders seem to be least affected by firing.
Folks I know who do suffer from such problems trace the source to other causes than shooting.