Three-dimensional gait analysis reveals dynamic alignment change in a patient with dropped head syndrome: A case report

Publication date: Available online 3 November 2017 Source:Journal of Clinical Neuroscience Author(s): Kousei Miura, Hideki Kadone, Masao Koda, Hiroshi Kumagai, Katsuya Nagashima, Kengo Fujii, Hiroshi Noguchi, Toru Funayama, Tetsuya Abe, Takeo Furuya, Masashi Yamazaki Dropped head syndrome (DHS) is a cervical kyphotic deformity caused by apparent weakness of the neck extensor muscles. We often encounter patients whose symptoms, including impaired forward vision and neck pain, deteriorate while walking. This is the first report of a case of dynamic spinal alignment change in a patient with DHS during walking using three-dimensional gait analysis. A 78-year-old Japanese woman complained of impaired forward vision and neck pain while walking. Her radiograph showed severe cervical kyphosis. C2–C7 SVA was +74 mm and C7–S1 SVA was −18.4 mm. The patient attempted to compensate to improve forward vision through lumbar hyperlordosis. We analyzed the gait motion of the patient by using three-dimensional (3D) motion and wireless surface electromyographic analysis systems to measure two systems synchronously. The patient walked continuously for as long as possible. We calculated dynamic SVA from the 3D motion analysis. Her head drop deformity gradually progressed and interfered with her forward vision while walking. Cervical SVA gradually increased from 75 to 85 mm. Thoracic SVA, Lumbar SVA and Whole spine SVA were initially decreased because of compensatory lumba...
Source: Journal of Clinical Neuroscience - Category: Neuroscience Source Type: research