https://drpwchen.com/en/tags/injections/Recent content in Injections on Po-Wei Chen, MD — Physiatrist & Builderhttps://drpwchen.com/og-default.pnghttps://drpwchen.com/og-default.pngHugoenWed, 04 Nov 2026 06:45:00 +0800https://drpwchen.com/en/notes/proximal-biceps/Wed, 04 Nov 2026 06:45:00 +0800https://drpwchen.com/en/notes/proximal-biceps/Anterior shoulder pain, or pain when pressing the groove at the front of the shoulder, is often biceps tendinitis, and it usually appears alongside rotator cuff problems. A sudden bulge in the arm is a long head of biceps rupture; most people don't need surgery. This post covers how to tell what's going on, what to do in rehab, and when to consider injections or surgery.