Li, Ling
Li, Chengliang
Article History
Received: 14 May 2021
Accepted: 12 July 2021
First Online: 28 July 2021
Change Date: 10 September 2022
Change Type: Correction
Change Details: This article has been retracted. Please see the Retraction Notice for more detail:
Change Details: https://doi.org/10.1186/s13634-022-00911-1
Declarations
:
: The 20 athletes in this experiment volunteered to participate in this experiment.Ethical approval. All procedures performed in research involving human participants comply with the ethical standards of the institution and/or the National Research Council, and comply with the 1964 Declaration of Helsinki and its subsequent amendments or similar ethical standards.
: The external pictures involved in this article are all from Baidu pictures and have been approved by the author.
: The author declares no competing interests.