Quantitative analysis of voluntary movement and anticipatory postural adjustments: a functional approach

Cinzia Amici, Federica Ragni, Barbara Piovanelli, Riccardo Buraschi, Rodolfo Faglia, Stefano Negrini and Joel Pollet

Computer Methods in Biomechanics and Biomedical Engineering, 2021, vol. 24, issue 15, 1660-1669

Abstract: Daily living activities and tasks like standing forward reaching present complex Anticipatory Postural Adjustments (APAs), and an objective, repeatable, subject- and task-dependent procedure to detect Voluntary Movements (VM) and APAs onsets is still missing. This paper proposes a new approach to the VMs study, based on a functional mechanical interpretation of the movement performing, which allows defining kinematic and dynamic APAs. A protocol for the identification of VMs and APAs onsets in the reaching movement is presented. Acquired data on 9 healthy young subjects enable a preliminary validation of this method suitability as support for an objective quantification of APAs.

Date: 2021
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DOI: 10.1080/10255842.2021.1906866

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