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dc.contributor.authorMunlika Sremakaewen_US
dc.contributor.authorJulia Treleavenen_US
dc.contributor.authorGwendolen Jullen_US
dc.contributor.authorParinya Vongvaivanichakulen_US
dc.contributor.authorSureeporn Uthaikhupen_US
dc.description.abstractObjectives: To compare neck, trunk, and lower extremity muscle activity in standing in persons with neck pain (NP) to healthy controls and determine associations with postural sway. Methods: Participants included 25 persons with NP and 25 controls. Surface electromyography was recorded bilaterally from neck (sternocleidomastoid, SCM; splenius capitis, SC; upper trapezius, UT), trunk (erector spinae, ES), and lower extremity (rectus femoris, RF; biceps femoris, BF; tibialis anterior, TA; medial gastrocnemius, GN) muscles. Postural sway was measured using a force platform in narrow stance with eyes open/closed, on firm/soft surfaces. Results: Compared to controls, the NP group demonstrated higher activity in all muscles, except UT and had higher amplitude ratios for neck muscles (SCM, SC) for all tasks (p <.05). No between-group difference was found in amplitude ratios for lower extremity muscles, except for GN. Lower extremity activity was moderately correlated with larger postural sway for both groups (r = 0.41–0.66, p <.05). There were no correlations between sway and neck and trunk muscle activity (p >.05). Conclusion: Increased muscle activity with NP is associated with increased postural sway. Both groups used similar postural control strategies, but the increased neck activity in the NP group is likely related to the NP disorder rather than postural instability.en_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.titleAltered neuromuscular activity and postural stability during standing balance tasks in persons with non-specific neck painen_US
article.title.sourcetitleJournal of Electromyography and Kinesiologyen_US
article.volume61en_US University of Queenslanden_US Universityen_US Mai Universityen_US
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