https://drpwchen.com/en/tags/shoulder-joint/Recent content in Shoulder Joint on Po-Wei Chen, MD — Physiatrist & Builderhttps://drpwchen.com/og-default.pnghttps://drpwchen.com/og-default.pngHugoenSun, 08 Nov 2026 06:45:00 +0800https://drpwchen.com/en/notes/ac-joint/Sun, 08 Nov 2026 06:45:00 +0800https://drpwchen.com/en/notes/ac-joint/Landing on the top of your shoulder during a fall, followed by pain and maybe a bony bump, usually means an acromioclavicular (AC) joint injury. It's classified into six types. Mild ones just need a sling and rehab. The most controversial, type 3, gets 3 to 6 weeks of conservative care first before deciding; research shows 1-year functional outcomes are similar to surgery. This post also covers distal clavicle osteolysis in weightlifters, and how to tell old from new when an older adult's X-ray shows a widened joint.