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KMID : 1195020230190020119
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Archives of Orthopedic and Sports Physical Therapy
2023 Volume.19 No. 2 p.119 ~ p.128
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The Effect of Cervical Stabilization Exercise Combined with Visual Feedback on the Craniovetebral Angle and Mechanical Properties of Cervical Muscles In Patients with Forward Head Posture
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Park Sam-Heon
Yang Dae-Jung
Yun Jong-Hyok
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Abstract
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Purpose: The purpose of this study was to determine whether cervical stabilization exercise with visualfeedback exercise would improve cervical alignment and mechanical properties of cervical muscles in patientswith forward head posture.
Methods: Thirty patients with forward head posture were recruited and were randomly divided into threegroups: cervical stabilization exercise with visual feedback exercise group (n=10, group Ⅰ), passive stretchinggroup (n=10, group Ⅱ) and control group (n=10, group Ⅲ). After receiving conventional physical therapy,each group additionally received cervical stabilization exercise with visual feedback exercise and passivestretching for 30min, three days per week for four weeks. Their muscle tone (㎐), stiffness (㎐) andcraniovertebral angle (°) were analyzed before the intervention. After four weeks of intervention, the aboveitems were re-measured and an intergroup analysis was performed.
Results: The comparison and analyses of the changes in muscle tone and post hoc analysis revealed statisticallysignificant intragroup decreases in the suboccipital, upper trapezius and sternocleidomastoid muscles in groupsⅠand Ⅱ. Furthermore, statistically significant intergroup differences were observed in the suboccipital muscleswith a greater change in group Ⅰ than in group Ⅱ and Ⅲ. Furthermore, greater changes in the upper trapeziusmuscles were observed in group Ⅰ than in groups Ⅱ and Ⅲ. Sternocleidomastoid muscle changes were greatergroup Ⅰ than in group Ⅱ, Ⅲ. The comparison and analyses of the changes in muscle stiffness and post hocanalysis revealed statistically significant intragroup decreases in the muscles in groups Ⅰ and Ⅱ, uppertrapezius muscles in groups Ⅰ, Ⅱ and Ⅲ, and sternocleidomastoid muscles in group Ⅰ. Moreover, statisticallysignificant intergroup differences in the suboccipital muscles with a greater change in group Ⅰ than in groupⅡ and Ⅲ; upper trapezius muscles with greater changes in group Ⅰ than in groups Ⅱ and Ⅲ, andsternocleidomastoid muscles with a greater change in group Ⅰ than in group Ⅱ and Ⅲ, were observed. The comparison and analyses of the changes in the craniovertebral angle and post hoc analysis revealed statisticallysignificant intragroup changes in groups Ⅰ and Ⅱ, and statistically significant intergroup differences with greaterchanges in group Ⅰ than in groups Ⅱ and Ⅲ.
Conclusion: Cervical stabilization exercise with visual feedback exercise may be suggested as an effectiveintervention method for functional recovery of patients in the forward head posture.
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KEYWORD
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Forward head posture, Visual feedback, Stability exercise, Neck alignment
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