Spinal instrumentations have been classified as rigid fixation, total disc replacement and
dynamic stabilization system for treatment of various spinal disorders. The efficacy and …

Study Design. Finite element (FE) method was used to compare the biomechanics of L3–S1
lumbar spine with graded facetectomy before and after placement of Dynesys. Objective. To …

Neurogenic intermittent claudication, caused by lumbar spinal stenosis (LSS), usually
occurs after the age of 50 and is one of the most common degenerative spinal diseases in …

Spinal rigid instrumentations have been used to fuse and stabilize spinal segments as a
surgical treatment for various spinal disorders to date. This technology provides immediate …

As an alternative treatment for chronic back pain due to disc degeneration motion preserving
techniques such as posterior dynamic stabilization (PDS) has been clinically introduced …

Background The neutral zone (NZ) is the range over which a spinal motion segment (SMS)
moves with minimal resistance. Clear as this may seem, the various methods to quantify NZ …

Chronic low back pain attributed to lumbar disc degeneration poses a serious challenge to
physicians. Surgery may be indicated in selected cases following failure of appropriate …

Arthrodesis is a recommended treatment in advanced stages of degenerative disc disease.
Despite dynamic fixations were designed to prevent abnormal motions with better …

Objectives To compare the clinical/radiologic outcomes and effects on adjacent segments by
Dynesys stabilization. Summary of Background Data Dynamic stabilization is known to …

Objective Adjacent segment degeneration (ASD) is a common phenomenon after lumbar
fusion. Lateral lumbar interbody fusion (LLIF) may provide an alternative treatment method …