Biomechanical studies of an artificial disc implant in the human cadaveric spine.

Object: The authors compared the biomechanical performance of the human cadaveric spine implanted with a metallic ball-and-cup artificial disc at L4-5 with the spine's intact state and after anterior discectomy.

Methods: Seven human L2-S1 cadaveric spines were mounted on a biomechanical testing frame. Pure moments of 0, 1.

Biomechanical testing of anterior and posterior thoracolumbar instrumentation in the cadaveric spine. Invited submission from the Joint Section Meeting on Disorders of the Spine and Peripheral Nerves, March 2004.

Object: Thoracolumbar burst fractures frequently require surgical intervention. Although the use of either anterior or posterior instrumentation has advantages and disadvantages, there have been few studies in which these two approaches have been compared biomechanically.

Methods: Ten human cadaveric spines were subjected to subtotal L-3 corpectomy.