1. Lumbar spine instability: a critical update and symposium summary;Nachemson;Spine,1985
2. Mechanical, physiologic, and neuromuscular considerations of chiropractic treatments;Herzog,1996
3. The physics of spinal manipulation;Herzog;J Manipulative Physiol Ther,1992
4. The physics of spinal manipulation: work-energy and impulse-momentum principles;Herzog;J Manipulative Physiol Ther,1993
5. Forces exerted during spinal manipulative therapy;Herzog;Spine,1993