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Fig. 2 | Journal of NeuroEngineering and Rehabilitation

Fig. 2

From: Restoration of bilateral motor coordination from preserved agonist-antagonist coupling in amputation musculature

Fig. 2

Bilateral coordination modes. a Coordinated subtalar joints under symmetry instruction. b Coordinated subtalar joints under parallel instruction. c Coordinated ankle joints under sagittal instruction. d Relative phase (\(\theta _{rel}\)) between two joints at any given point in time is defined as the difference in angles formed by their normalized velocities (\(\dot{\theta }\)) and normalized angular positions (\(\theta\)) during the movement according to Eqn. 3 [30]

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