• Herzog W

• Biomechanical Phenomena
• Locomotion
• Manipulation, Chiropractic
• Manipulation, Spinal
• Open Access Document

The purpose of this article is to present a review of our research related to spinal manipulative therapy (SMT). The first part of this review will concentrate on studies that were aimed at quantifying possible changes in the mechanics of locomotion associated with SMT. The second part will focus on studies that were aimed at measuring the forces exerted by chiropractors on patients during SMT. In the locomotion studies, we found that SMT was associated with changes in the mechanics of walking. In particular, sacroiliac joint patients were found to become more symmetrical in their ground reaction force patterns with increasing exposure to SMT. In the force studies we found that the force-time histories of SMT on the sacroiliac joint and thoracic spine were similar, however, the mean peak and preload forces recorded for SMT on the thoracic spine were about 60 N larger than those recorded on the sacroiliac joint. Treatments on the cervical spine were executed faster and with less force than treatments on the sacroiliac joint or the thoracic spine.

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