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J Orthop Sports Phys Ther. 1990;12(6):243-7.

Relationship between Hip Extension Range of Motion and Postural Alignment.


The purpose of this study was to examine the relationships between hip extension range of motion (ROM) and three determinants of postural alignment: standing pelvic tilt, standing lumbar lordosis, and abdominal muscle performance. The subjects were 25 healthy adults ranging in age from 21 to 49 years. The Pearson product-moment correlation of hip extension ROM with pelvic tilt was -0.04, with lumbar lordosis -0.09, and with abdominal muscle performance 0.09. These results indicate that these variables are not related. This study demonstrates that the hypothetical correlation among these clinical parameters needs to be reassessed. J Orthop Sports Phys Ther 1990;12(6):243-247.


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