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Written by Steven Weiniger Written by Steven Weiniger on Wednesday, 02 October 2013. Posted in Science

Posture breakdown causes lumbar disc breakdown

434 people average age of 43 were classified by their lumbar curves into one of three groups
normal lordosis, reduced lordosis and increased lordosis.

MRIs measured DJD. In addition, the mobility of each segment as well as its angular and translation motion was measured with positional MRI.

Observation: Increased lordosis reduced less lower and upper lumbar motion. Mid lumbar motion was increased, apparently taking up the slack.


  1. Changes in sagittal alignment may lead to kinematic changes in the lumbar spine. T
  2. Curve changes influence load bearing and disc degeneration
  3. Sagittal alignment, disc degeneration, and segmental mobility likely have a reciprocal influence on one another.


Spine.  15 May 2011 – Volume 36 – Issue 11 – p 893–898 doi: 10.1097/BRS.0b013e3181f4d212.  Effect of Sagittal Alignment on Kinematic Changes and Degree of Disc Degeneration in the Lumbar Spine: An Analysis Using Positional MRI Keorochana, Gun MD*,†; Taghavi, Cyrus E. BS†; Lee, Kwang-Bok MD, PhD†; Yoo, Jeong Hyun MD†; Liao, Jen-Chung MD†; Fei, Zhiqiang MD†; Wang, Jeffrey C. MD†


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