Car accident shoulder pain? chuna therapy put to the test

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients aged 19-69 years on the date they sign the consent form. * Patients with shoulder pain and restricted movement occurring within 5 days after a traffic accident. * Patients who are hospitalized due to traffic accident. * Patients with NRS of shoulder pain ≥ 5 with restricted movement due to a traffic accident. * Patients who provide consent to participate in the trial and return the informed consent form. Exclusion Criteria: * Patients with a specific serious disease that may cause shoulder pain: malignancy, spondylitis, inflammatory spondylitis, etc. * Patients with progressive neurological deficits or with severe neurological symptoms. * Patients with medical history of cervical surgery or shoulder surgery within the last three weeks. * Patients with a specific serious disease that may interfere with the interpretation of the therapeutic effects or results: malignancy, spondylitis, inflammatory spondylitis, etc. * Chuna therapy is deemed inappropriate or unsafe due to conditions like fractures, dislocations, ligament tears, or unstable healing fractures; skeletal demineralization and ligament laxity with subluxation or dislocation; or inflammation * Presence of other chronic diseases that could interfere with treatment outcomes or interpretation, such as cardiovascular disease, kidney disease, diabetic neuropathy, dementia, or epilepsy * Currently taking steroids, immunosuppressants, psychiatric medications, or other drugs that may affect study results * Acupuncture is deemed inappropriate or unsafe, such as in patients with bleeding disorders, those on anticoagulant therapy, those with severe diabetes prone to infection, or those with severe cardiovascular disease * Patients who are pregnant or planning to become pregnant. * Patients who are presence of severe mental illness * Patients who are participated in clinical trials other than observational studies without therapeutic intervention. * Patients who are difficult to complete the research participation agreement. * Other patients whose participation in the trial is judged by a researcher to be problematic.