In 2016, the World Journal of Orthopedics (WJO) has published the 9^th issue which containing 13 articles contributed by scientists worldwide. Among these comprehensive articles are (1) “Return to sports after shoulder arthroplasty”, a Review by Christine C Johnson, MD, et al from the Department of Sports Medicine and Shoulder Surgery, Hospital for Special Surgery, United States; (2) “Attitudes and diagnostic practice in low back pain: A qualitative study amongst Greek and British physiotherapists”, an Original Article by Evdokia Billis, Assistant Professor, et al from Department of Physical Therapy, Technological Educational Institute of Western Greece, Greece; and (3) “Compartment syndrome following total knee replacement: A case report and literature review”, a Case Report by Mohamed Sukeik, MD, MRCSEd, PGA, et al from Department of Trauma and Orthopaedics, Queens Hospital, United Kingdom, etc. We invite you to peruse all 13 articles in this issue, as they present the latest research progress/findings and provide insightful comments in orthopedics that will guide basic research and clinical practice in these fields.

This journal is an open-access journal which allows free immediate access to all full-text articles. For details, please visit: Volume 7, Issue 9, September 18, 2016.

Figure 1 The cover of the issue. Editorial Board Member of World Journal of Orthopedics, Sergio Hernandez-Sanchez, MSc, Physiotherapist, Professor, Physiotherapy Area, Pathology and Surgery Department, Faculty of Medicine, Miguel Hernandez University, 03550 Sant Joan D'alacant, Spain

The WJO is a leading academic journal devoted to reporting the latest, cutting-edge research progress and findings of basic research and clinical practice in the field of orthopedics. It was launched on November 18, 2010 and is published monthly (12 issues annually) by BPG, the world's leading professional clinical medical journal publishing company.

We encourage orthopedists worldwide to submit manuscripts to the WJO describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.

We invited the readers to download and read the E-Journal of this issue, at:http://www.wjgnet.com/2218-5836/e-journal.htm.