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Litigation Expert Witness Services

Biomechanical Investigations

Biomechanical experts apply physics and  mechanical engineering to the human body to study how movement and force affects injury mechanisms.

Vista’s experts have conducted investigations on the mechanism and causation of injury in the consumer product, construction, transportation, agricultural, industrial, marine, and recreational industries. Our state-of-the-art laboratory facilities and test equipment allow us to evaluate and test anything from small scale to large scale environments.


Motor vehicle biomechanical investigations are common requests and often include vehicle restraints, such as seat belts and airbags, ejections, rollovers, and child restraint systems (CRS). Worker’s compensation and product and premises liability, including slips, trips, and falls are also typical categories Vista is asked to investigate.


Litigation Expert Witness Services

Biomechanical Investigation Methods

Biomechanical experts routinely conduct specialized tests including video and photographic analysis, simulations, animations, national database searches, and research in the investigation and reconstruction of accidents.

We also utilize volunteer testing and surrogate studies augmented with anthropomorphic test devices, & “crash test dummies,“ as the situation dictates.

Biomechanical Engineers

Vista’s lead engineer in this area is an active professor and researcher and has been for over 30 years. His ability to relate ideas to students and juries alike is a great value our clients appreciate. He has published many books and papers and is an active member of the Society for Biomaterials, Wound Healing Society, and the Biomedical Engineering Society.

Photo & Video Analysis

Simulations and Animations

Crash Test Dummies