AUTHOR=Negro Francesco , Hu Xiaogang , Yao Jun TITLE=Editorial: Understanding Altered Muscle Activation After Central or Peripheral Neuromuscular Injuries JOURNAL=Frontiers in Neurology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2021.642207 DOI=10.3389/fneur.2021.642207 ISSN=1664-2295