If you’re hitting the courts past 60, a simple 8-minute warm-up can shield you...
https://waylonsuniqueperspectives.bearsfanteamshop.com/pickleball-shoulder-pain-when-lying-on-that-side-what-helps
If you’re hitting the courts past 60, a simple 8-minute warm-up can shield you from common pickleball aches like that nagging night shoulder pain