Dear AJPM&R Readers,This issue of the AJPM&R features several articles that will interest the rehabilitation community. This month's editorial highlights the crucial role of PM&R specialists in developing guidelines for osteoarthritis (OA) treatment. By taking a more proactive approach, specialists can help create comprehensive guidelines that incorporate rehabilitation principles and practices for OA and other conditions. For instance, this issue includes a clinical trial comparing corticosteroids with mesenchymal stem cells for knee OA treatment. Additionally, several studies explore newly developed interventions being researched and applied in clinical settings, such as hydrodissection, prolotherapy, platelet-rich plasma, mesenchymal stem cells, and extracorporeal shock wave therapy. Finally, a new article has been added to the interventional musculoskeletal ultrasound collection, focusing on tibiotalar joint injections. Readers are encouraged to visit the Journal's website to view all published videos in this series. (https://journals.lww.com/ajpmr/pages/collectiondetails.aspx?TopicalCollectionId=21).I hope you will enjoy reading this issue of the AJPM&R!Walter R. Frontera, MD, PhD, FRCPEditor-in-ChiefAmerican Journal of Physical Medicine and Rehabilitation, This series in AJPMR provides concise but thorough educational videos on this topic and a short write-up of the basic injection techniques. We hope the readers and viewers will find this informative and use it as a practical tool for their daily practice., Did you know that AJPM&R offers CME articles? As a provider accredited by the Accreditation Council for Continuing Medical Education (ACCME), the AAP must ensure balance, independence, objectivity and scientific rigor in all of its sponsored educational activities. In accordance with ACCME's Standards for Commercial Support, the AAP is required….