You hear a lot about core strength with a back injury you really have to concentrate on the muscles that control rotation and stability. Here are three easy ones I do every day. Don't need weights,or expensive equipment. Make this educational I know a lot of players with balky backs.
Google these, you will get you tube instructions. These three will help your softball or golf swing also.
Russian twist for rotation
Supemans for your back muscles
Side plank for core stability
Tired of hearing about bats, balls and how sad the senior game is.
thought you was talkin exercises for core muscles Joe, not sore muscles.. We don't talk that funny bein from the Burgh...
Tri 18 I am also a distributor who do you deal with.
Tri18,Good I deal with Reverend Judi also great Lady!