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* Corresponding author 1 SPM TIMC-IMAG - Techniques de l-Ingénierie Médicale et de la Complexité - Informatique, Mathématiques et Applications Grenoble

Abstract : Impaired postural control has been reported in patients with chronic neck pain of both traumatic and non-traumatic etiologies, but whether painful stimulation of neck muscle per se can affect balance control during quiet standing in humans remains unclear. The purpose of the present experiment was thus to investigate the effect of experimental neck muscle pain on standing balance in young healthy adults. To achieve this goal, 16 male university students were asked to stand upright as still as possible on a force platform with their eyes closed in two conditions of No pain and Pain of the neck muscles elicited by experimental painful electrical stimulation. Postural control and postural performance were assessed by the displacements of the center of foot pressure CoP and of the center of mass CoM, respectively. The results showed increased CoP and CoM displacements variance, range, mean velocity, and mean and median frequencies in the Pain relative to the No pain condition. The present findings emphasize the destabilizing effect of experimental neck muscle pain per se, and more largely stress the importance of intact neck neuromuscular function on standing balance.

Keywords : Balance Neck muscle pain Centre of foot pressure Center of mass Human

Autor: Nicolas Vuillerme - Nicolas Pinsault -

Fuente: https://hal.archives-ouvertes.fr/


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