• Cowherd GP
• Gringmuth R
• Nolet P

• Lordosis
• Lordosis / instrumentation
• Lumbar Vertebrae / diagnostic imaging
• Open Access Document
• Posture

Fifteen male subjects were examined by a computerized three dimensional goniometer known as the Metrecom Skeletal Analysis System (Version 1.1) and by lumbar radiographs. Metrecom measurements of sacral base angle (Ferguson’s angle) and lumbar lordosis were compared to the same measurements taken from lateral lumbar radiographs. Data was analyzed using Pearson correlation coefficients. The Pearson correlation between Metrecom and radiographic sacral base angle yielded r = .236 and between Metrecom and radiographic lordosis angle was r = .519. Significant differences between radiographic sacral base angle vs Metrecom and radiographic lumbar lordosis angle vs Metrecom were found. This study suggests that the Metrecom Skeletal Analysis System (Version 1.1) has a weak association with plain film radiography in the measurement of sacral base and lumbar lordosis angle and that there is a statistically significant difference between the Metrecom and radiographic measures, as evaluated in the experiment.

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