The Journal of orthopaedic and sports physical therapy
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J Orthop Sports Phys Ther · Jan 1989
Investigation of the flexible ruler as a noninvasive measure of lumbar lordosis in black and white adult female sample populations.
The opinions or assertions contained herein are the private views of the authors and are not to be construed as official or reflecting the views of the Army, the Department of Defense, or the U. S. Government. ⋯ The criterion validity of the flexible ruler as a measure of actual lumbosacral lordosis was poor (Pearsons' Correlation Coefficient = 0.30, N = 45). Because of the poor criterion validity of the flexible ruler compared to roentgenographically confirmed lumbar lordosis, the flexible ruler has questionable clinical value in the assessment of lumbar lordosis. J Orthop Sports Phys Ther 1989;11(1):3-7.