OBJECTIVE To investigate clinical-radiological features of cervical myelopathy due to degenerative spondylolisthesis (DSL). METHODS A total of 448 patients were operated for cervical myelopathy at Nishitaga National Hospital between 2000 and 2003. Of these patients, DSL at the symptomatic disc level was observed in 22 (4.9%) patients. Clinical features were investigated by medical records, an...

Cervical anterior fusion is useful for the treatment of patients with cervical disease, but carries the risk of postoperative worsening of the cervical spine alignment and kyphosis. Preoperative prediction of the risk for kyphosis could help to avoid such postoperative complications. We attempted to predict the postoperative development of kyphosis in 59 patients scheduled for cervical anterior...

This study investigated the relationship between forward head posture and temporomandibular disorder symptoms. Thirty-three temporomandibular disorder patients with predominant complaints of masticatory muscle pain were compared with an age- and gender-matched control group. Head position was measured from photographs taken with a plumb line drawn from the ceiling to the lateral malleolus of th...

OBJECTIVE The aim of this study was to predict the relationship between the symptomatic disc herniation level and the osteophyte level or decreased disc height in patients with cervical disc herniation. METHODS Between January 2011 and December 2012, 69 patients with an osteophyte of the cervical spine underwent surgery at a single center due to soft cervical disc herniation. Data including s...

STUDY DESIGN A single-center, retrospective, longitudinal matched cohort clinical study of prospectively collected outcomes. OBJECTIVE To compare retrospectively the clinical outcomes and complications of the posterior approach laminoplasty and single-stage anterior approach laminoplasty combined with anterior cervical corpectomy and fusion and anterior cervical discectomy and fusion for trea...

This study evaluated the criterion-related validity of the Electronic Head Posture Instrument (EHPI) in measuring the craniovertebral (CV) angle by correlating the measurements of CV angle with anterior head translation (AHT) in lateral cervical radiographs. It also investigated the correlation of AHT and CV angle with the Chinese version of the Northwick Park Questionnaire (NPQ) and Numeric Pa...

The proper assessment of interaxial distance and convergence control are important factors in stereoscopic imaging technology to make an efficient 3D image. To control interaxial distance and convergence for efficient 3D shooting, horizontal 3D camera rig is designed using some hardware components like ‘LM Guide’, ‘Goniometer’ and ‘Rotation Stage’. The horizontal 3D camera rig system can be pro...

BACKGROUND There is sparse literature that provides evidence of cervical and shoulder postural alignment of 15 to 17-year-old adolescents and that analyzes sex differences. OBJECTIVES To characterize the postural alignment of the head and shoulder in the sagittal plane of 15 to 17-year-old Portuguese adolescents in natural erect standing and explore the relationships between three postural an...