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Humans perform numerous dual-tasks activities in their day-to-day activities. These activities require meeting the demand on the attentional and cognitive faculty failing in which the performance in the primary or secondary task will decline.\u00a0 This study provides an understanding of the gait strategy adopted by healthy individuals in order to complement the objective of the secondary task of a dual-task.\u00a0<\/span><\/p>\n Twenty-one healthy subjects participated in this study. The experiment involved three conditions – normal overground conditions,\u00a0 catch and throw a ball while standing, and catch and throw a ball while overground walking – all in a virtual environment.<\/span><\/p>\n Results showed that although the participants walked conservatively during the dual-motor trial, the scores obtained in throwing the ball at the target were significantly high in dual-task. The lower limb gait analysis showed participants to be in the terminal and pre-swing regions of the stance phase at the throw event. During this region, the body has a forward momentum as the ankle provides power generation for the leg to begin the swing phase.\u00a0<\/span><\/p>\n This study, being performed in virtual reality, provides a new and engaging paradigm to analyze dual-motor-task performance. It can be used as a basis to compare strategies adopted by different population groups with healthy young adults to execute coordinated motor tasks. The paper is published in the Transactions on Neural Systems and Rehabilitation Engineering<\/i> (TNSRE) – 2020. <\/span><\/p>\n Grants: This work was done in collaboration with the ROAR Lab, Columbia University, New York as part of the Scheme for Promotion of Academic and Research Collaboration (SPARC) program, MHRD, India. <\/span><\/strong><\/p>\n Team: Yogesh Singh<\/span><\/span>, Antonio Prado<\/span><\/span>, Dario Martelli<\/span><\/span>, Fitsum E. Petros<\/span><\/span>, Xupeng Ai<\/span><\/span>, Sudipto Mukherjee<\/span><\/span>, Anil K. Lalwani<\/span><\/span>, Vineet Vashista<\/span>,<\/span> and Sunil K. Agrawal<\/span><\/strong><\/p>\n
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