, three task types were defined with the target-centered ranges [ A , W ], that is, [1, 0.1], [2, 0.2], and [3, 0.3]. The index of difficulty of tasks was defined as index of difficulty = √ A / W in Meyer formula deriving from Fitts’ law ( Peng et al., 2019 ). As a result, the task difficulty level of
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Cong Peng, Na Yao, Xin Wang, and Dangxiao Wang
Mu Qiao
spatial accuracy of foot placement (ie, analogous to the speed-accuracy tradeoff in Fitts’ law involving active control). Understanding the function and control of leg joints in hopping could provide insight into the fundamental principles of legged locomotion of humans. Humans change the functional roles
Hui-Ting Goh, Jill Campbell Stewart, Kevin Becker, and Cheng-Ju Hung
movement costs . Journal of Motor Behavior, 40 ( 1 ), 11 – 17 . https://doi.org/10.3200/JMBR.40.1.11-17 18316293 Rosenbaum , D.A. , & Gregory , R.W. ( 2002 ). Development of a method for measuring movement-related effort: Biomechanical considerations and implications for Fitts’ law
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