 Currently, there is a significant deficiency in evidence regarding the safety of osteopathic manipulative treatments OMT. To address this deficit, this study is designed to systematically evaluate the incidence and severity of OMT adverse events and examine the relationship of these adverse events to the techniques used and the body regions treated. The study is being conducted at the clinics of participating members of DO-Touch.NET, the only known practice-based research network PBRN focused on osteopathic manual medicine research. Eligible patients who receive OMT at one of the participating clinics will be asked to complete either a paper or online survey regarding any adverse events they experience within 1, 3, and 7 days following their treatment. Information regarding their diagnoses, which osteopathic techniques were used in their OMT, and which body regions were treated will be obtained from participant medical records. This data will be used to answer the following research questions: 