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Titre : | An ultrasonographic investigation of deep neck flexor muscles cross-sectional area in forward and normal head posture (2018) |
Auteurs : | Roya Eshaghi Moghadam, Auteur ; Leila Rahnama, Auteur ; Noureddin Karimi, Auteur |
Type de document : | Article |
Dans : | Journal of Bodywork and Movement Therapies (2018/3, 2018) |
Article en page(s) : | pp.643-647 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Échographie ; Études transversales ; Posture ; Tête |
Mots-clés: | Muscles du cou ; Mouvements de la tête |
Résumé : |
Background As one of the most common work-related musculoskeletal disorders and postural deviations, forward head posture (FHP), is considered to lead to muscle imbalance. Objectives The aim of this study is to investigate the bilateral cross-sectional area (CSA) of the deep neck flexor muscles at rest and during five stages of the craniocervical flexion (CCF) test in individuals with FHP and the controls with normal head posture. Methods Eighteen students with FHP and 18 controls with normal head posture, all females aged 1835 years, participated in this study. Participants were categorized into two groups based on their craniovertebral angle. The CSA of the deep neck flexors was measured using ultrasonography while participants lay supine on the table with a pressure biofeedback unit placed under their necks in order to let the examiner measure the CSA of the muscles during rest and five stages of the CCF test including 22, 24, 26, 28, and 30 mmHg of the pressure biofeedback unit. Results A significant effect of contraction level was observed in both groups, indicating significant increases of the CSA of the deep neck flexors during contraction (F = 64.37, P Conclusions The results of the present study showed no significant difference between the performance of the deep neck flexors during the CCF test in FHP and normal head posture individuals, which challenge the common belief of the deep neck flexors weakness in individuals sustaining FHP. |
Disponible en ligne : | Non |