If you’re over 50 and hitting the pickleball courts, an 8-minute warm-up can...
https://wiki-aero.win/index.php/Best_Rotator_Cuff_Exercises_for_Pickleball_Players_with_Nagging_Pain
If you’re over 50 and hitting the pickleball courts, an 8-minute warm-up can cut down your chance of those nagging shoulder aches that show up at night