Conditions & Treatments - Lumbar Spondylolisthesis
The lumbar spine is composed of 5 vertebrae which are connected in series and work together to attain motion at the spine. Stability at the spine is essential in order for a desired motion to be achieved in an effective manner. Table 1 describes various structures which may assist with providing stability at the lumbar spine. Along with these structures the abdominal muscles, specifically the transversus abdominis and oblique abdominals, and the multifidus muscle have also been proposed to play and important role in stabilizing the spine by co-contracting in anticipation of an applied load (1).
In a case where there is instability at the lumbar spine, a
vertebra in the lumbar spine may slip forward out of the proper
position onto the vertebra below it resulting in a condition
called lumbar spondylolisthesis (see table 2). This slippage of
the vertebra onto the vertebra below it could contribute to low
back pain along with nerve compression and resulting radiating
pain down the lower extremity. Other symptoms patients may also
experience include stiffness, spasms, catching pain, tightness
in the back & legs and tenderness in the back & buttocks.
Causes of Lumbar
Last revised: January 17, 2011