Relationship between shoulder and elbow range of motion and ultrasonographic structural abnormalities in the elbow of Taiwanese high school baseball players.

"Declarations Ethics approval and consent to participateInformed consent was obtained from all subjects involved in the study. Written informed consent was obtained from parents or legal guardians to publish this paper. The study protocol was approved by the institutional review board of the corresponding authors’ affiliation (IRB 202101106B0A3, Chairman of ethics committee, Tsang-Tang Hsieh, MD). All methods were performed in accordance with the relevant guidelines and regulations. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding The authors gratefully thank Taiwan Minister of Science and Technology (grant number” MOST 111-2628-B-182 A-016, NSTC112-2628-B-182 A-002”) and Linkou Chang Gung Memorial Hospital (grant number” CMRPG5K0092, CMRPG3M2031”) for financial support of this study."