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Effect of Sit-stand Workstation Position and Computer Task on Head and Trunk Postural Sway and Discomfort by Chandler Shannon; Ed Havey; Rajal G. Cohen; Anita N. Vasavada is a Psychology article available to read on EtoBox.

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A C T Adjustable-height desks may provide musculoskeletal health benefits to offset the effects of prolonged sitting. One mechanism may be increased postural variability, here characterized by head and trunk postural sway. Linear acceleration of the head and trunk were measured while participants used computer workstations in seated and standing positions during keyboard and mouse tasks; secondary measures were discomfort and proprioception (head and neck repositioning error). Median accelerations of the head and trunk were 20-26% lower in mouse tasks compared to keyboard tasks (p < 0.01). There were no significant differences in sway parameters between seated and standing positions. Discomfort and proprioception were correlated; subjects who experienced increased neck discomfort after 1.5 h of computer work had almost twice the head and neck repositioning error. The results suggest that postural sway is more affected by different tasks (keyboard vs. mouse) than by different workstation configurations and that low proprioception acuity may relate to the development of discomfort.

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Author

Chandler Shannon; Ed Havey; Rajal G. Cohen; Anita N. Vasavada

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Psychology (Social Sciences)