By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video For decades, surgery was considered the only reliable option for repairing torn tendons. Partial tears of the rotator cuff, in particular, present a clinical challenge because they rarely heal on their own and tend to worsen over time. However, emerging research suggests that platelet-rich plasma (PRP) injections may offer a compelling nonsurgical alternative — one that not only reduces pain