The Effects of the Biceps Brachii and Brachioradialis on Elbow Flexor Muscle Strength and Spasticity in Stroke Patients.

"Conflicts of Interest The authors declare that there is no conflict of interest regarding the publication of this article."

"This work was supported the National Key Research & Development Program of the Ministry of Science and Technology of the People's Republic of China (Grant numbers 2018YFC2002300 and 2018YFC2002301) and the Nanjing Municipal Science and Technology Bureau (Grant number 2019060002)."

"This study was conducted at the First Affiliated Hospital of Nanjing Medical University from 01 September 2021 to 20 October 2021. The protocol was approved by the Committee of Institutional Ethics (Institutional Review Board, 2021-SR-448) and registered at the Chinese Clinical Trial Registry (ChiCTR2100051880). Written informed consent was required from all subjects and could be provided by proxies for those unable to sign due to severe motor dysfunction."