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Respiratory-Related Genioglossus Electromyographic Activity in Response to Head Rotation and Changes in Body Position
Genioglossus muscle Respiration Head rotation Body position Upper airway
2008/12/29
The purpose of this study was to assess the effect of changes in body and head positions on respiratory-related activity of the genioglossus muscle in normal subjects in 8 body and head positions: (1)...
Effect of Head Rotation on Posteroanterior Cephalometric Radiographs
Projection error Head rotation Posteroanterior cephalometric radiograph
2008/12/25
The purpose of this study was to identify the potential projection errors of posteroanterior cephalometric radiographs due to head rotation in the vertical Z-axis. For this investigation, 20 human d...