If you’re hitting the courts past 60, a simple 8-minute warm-up can shield you...
https://www.golf-bookmarks.win/if-you-re-over-60-and-hitting-the-pickleball-court-you-ve-probably-felt-that
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