Which regional disturbances do not correlate with anatomy in patients with mechanical low back pain?

Updated: Mar 30, 2020
  • Author: Everett C Hills, MD, MS; Chief Editor: Stephen Kishner, MD, MHA  more...
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Regional disturbances that do not correlate with anatomy include the following:

  • Weakness - Cogwheeling (giving way) of many muscle groups upon manual muscle testing of strength

  • Sensory - Diminished light touch or pinprick sensation in a stocking pattern, rather than a dermatomal pattern, in an individual who is not diabetic

  • Nonanatomic sensory loss

Overreaction during the examination may be observed in several manifestations (eg, disproportionate verbalization, facial grimacing, muscle tension and tremor, collapsing, sweating). Care must be taken to account for cultural variations.

In addition, evaluate the patient's function. Observe ROM and flexibility, ability to dress and undress, and ability to rise from a chair or the examination table.

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