Publications by authors named "Matthew Adam Spiegel"

Article Synopsis
  • The study reviewed gender differences in how individuals compensate for progressive sagittal malalignment, focusing on pelvic and knee positioning in both men and women.
  • Researchers analyzed data from 942 patients, matching males and females by age, BMI, and pelvic incidence, to compare their patterns of compensatory recruitment.
  • Results indicated that while both genders adjusted their knee flexion and pelvic tilt in response to malalignment, females showed greater pelvic retroversion and less knee flexion compared to males, particularly at higher levels of malalignment.
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Article Synopsis
  • The study focuses on how sagittal malalignment affects energy expenditure and posture in patients, emphasizing the need for new measures to assess disability and compensatory mechanisms.
  • Researchers introduced the global sagittal axis (GSA) as a method to evaluate patients' standing posture by analyzing radiographs and health-related quality of life (HRQOL) questionnaires.
  • The findings showed that the GSA significantly correlated with various HRQOL measures and radiographic parameters, indicating it as a useful predictor for understanding the relationship between sagittal alignment and patient outcomes.
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Article Synopsis
  • This retrospective cohort study aimed to understand how cervical alignment impacts the ability to maintain a horizontal gaze, particularly in relation to thoracolumbar alignment.
  • Researchers assessed patients without prior spinal surgery, categorizing them by thoracic kyphosis and sagittal vertical axis, and analyzed cervical alignment using linear regression models.
  • The findings indicated that lower cervical curvature becomes more lordotic with increased sagittal vertical axis grades, suggesting that cervical kyphosis may be normal for many individuals but could pose challenges in certain contexts.
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