Congratulations to Messner Reeves LLP CEO and Managing Partner Caleb Meyer and Partner John Stevensfor obtaining a defense verdict on behalf of their client in a recent Denver County District Court jury trial with the assistance of Vector Scientific, Inc. (VSI) testifying experts Zachariah Weimer (Accident Reconstruction) and Steven Storvik (Injury Biomechanics).
This was a personal injury case involving a low-speed motor vehicle collision in which the defendant’s vehicle backed into the front of the plaintiff’s vehicle and the plaintiff alleged multi-level spine injuries and associated surgeries. Read More.
This summer marks 25 years since we conducted our human volunteer (HumVol) study of injury biomechanics in low-speed rear-end impacts.
Click Here to view video of female and male human volunteers in low-speed rear-end impacts at 5 mph Delta-V: https://youtu.be/j2lcnrPmGLc
This landmark study of 21 males and 21 females resulted in more than a dozen publications and numerous scientific conference presentations throughout the US, Canada, and Europe over the next five years (1997-2001). On this 25th anniversary of our summer of testing we would like to acknowledge the many contributors to the success of this research study led by co-investigators Jeff Wheeler and Gunter Siegmund. Read More.
J. Michio, Ph.D. recently completed a 40 hour Institute of Police Technology and Management (IPTM) Pedestrian/Bicycle Crash Investigation Course that included determining the area of impact, applying perception/reaction times, and the influence of environmental factors.
Dr. Clark’s helmet and head injury specialty is a natural addition to the experienced bicycle accident investigation team of Wheeler and Weimer at Vector Scientific, Inc.
Jeff Wheeler, M.S. (President, Injury Biomechanics) and Zach Weimer, M.S., P.E. (Senior Engineer, Accident Reconstruction) have analyzed numerous bicycle accidents since 1988.Read More.
The accident reconstruction and biomechanics team at Vector Scientific, Inc. (VSI) recently presented a CLE accredited webinar titled: “Accident Reconstruction and Injury Biomechanics in Low-Speed Motor Vehicle Collisions.”
Zachariah Weimer discussed various impact types and severities, low-speed accident reconstruction methods of analysis, and applying evidence from Event Data Recorders. The biomechanics team (Jeff Wheeler, Steven Storvik, Wade Baker, J. Michio Clark, PhD) covered occupant kinematics and injury biomechanics of common injury claims in low-speed collisions involving the head, spine, shoulder, and hip including a review of original research conducted by VSI team members on concussion and spine injury biomechanics.
A special thanks to Michael Daugherty and Darla Frechette of White and Steele, P.C. for helping to coordinate the event.
Vector Scientific, Inc. (VSI) would like to congratulate J. Michio Clark and his co-authors Thomas A. Connor (lead author), Matt Stewart, Aisling Ni Annaidh and Michael Gilchrist on their recent publication “Post-accident evidence basis for new equestrian standards: Relationship between helmet liner residual crush and accident parameters” in Applications in Engineering Science (June 2021). Read More.
Vector Scientific President Jeff Wheeler presented a MCLE accredited Webinar “Forensic Biomechanics: Applying Injury Biomechanics to Catastrophic Accidents.”
The Webinar was part of a series sponsored by the Association of Southern California Defense Counsel (ASCDC). This educational seminar covered the definition of biomechanics, education and qualifications to look for in a biomechanical expert, and numerous case study examples of injury biomechanics analyses in automobile, sport/recreation, and industrial/occupational accidents including head, spine, thoracic, and lower extremity trauma.
Jeff Wheeler, President and Director of Biomechanics at Vector Scientific, Inc. (VSI), presented via Zoom video conference a CLE/MCLE accredited Webinar "Forensic Biomechanics: Applying Injury Biomechanics to Sport and Recreation Accidents." Read More.
Wade Baker recently completed the Institute of Police Technology and Management (IPTM) Advanced Traffic Crash Investigation course. The 80 hour course reviewed methods for determining vehicle dynamics from impact to point-of-rest, stressing the importance of proper evidence documentation and interpretation, as well as the principles of time-speed-distance, kinetic energy, and conservation of momentum analysis.Read More.
When an Absence of Evidence is Evidence! In moderate and high-speed collisions it is well known that Event Data Recorders, aka black boxes, record data that can provide valuable insight into the vehicle dynamics before and during the collision and assist experts in their accident reconstruction analyses.
Question: But what can the EDR tell us when a vehicle is involved in a low-speed accident and no data is recorded? Answer: The lack of data is data that can tell us something about the collision. Read More.
Vector Scientific, Inc. would like to congratulate Wade Bake, M.S. who recently obtained his Remote Pilot Certificate from the Federal Aviation Administration. Mr. Baker successfully demonstrated that he understands the regulations, operating requirements, and procedures for safely flying a small unmanned aircraft (sUAS) required by 14 CFR Part 107 for commercial drone use. Read More.
Biomechanical Engineer Steven Storvik has utilized photogrammetry in his forensic work at Vector Scientific, Inc. (VSI) over the past decade. Common uses include extracting 3D measurements of a crashed vehicle when only 2D photographs exist and the subject vehicle is no longer available for inspection, and to locate physical evidence on roadways from accident scene photographs. Read More.
Pedestrian accident reconstruction involves complex issues that Vector Scientific, Inc. (VSI) is uniquely qualified to analyze using our combined expertise of accident reconstruction and injury biomechanics. Accident reconstruction methods are used to analyze speed, visibility, reaction time, and vehicle handling/braking while biomechanics input regarding walking speed, body position/posture, and injury mechanics completes a robust analysis of the vehicle and human impact dynamics involved in pedestrian accidents. Read More.
On January 8, 2021, Jeff Wheeler, President and Director of Biomechanics at Vector Scientific, Inc. (VSI) presented a CLE accredited program entitled “Forensic Biomechanics: Applying Injury Biomechanics to Catastrophic Accidents” to Denver law firm White and Steele, P.C. A special thanks to Michael Daugherty and Darla Frechette for coordinating the event.
Vector Scientific, Inc. (VSI) had added incentive to see the calendar turn to 2021 as we celebrate our 20th Anniversary. VSI would like to thank our clients over the past two decades for putting their trust in us. We are truly grateful for your business.
Founder/President Jeff Wheeler would also like to recognize the alumni of VSI (and its pre-cursor Biomechanics Research & Consulting, which together represent 30 years) who were part of the company’s success. We greatly value your hard work and want you to know that our success was your success. Please celebrate our 20th/30th Anniversary with us.
Finally, a special thanks to the current talented staff at VSI who are poised to do great things and conquer all future challenges our clients throw our way!
Jeff Wheeler, President and Director of Biomechanics at Vector Scientific, Inc. (VSI), presented via Zoom video conference a CLE accredited program “Forensic Biomechanics: Applying Injury Biomechanics to Catastrophic Accidents” to the law firm Tyson & Mendes. A special thanks to trial attorney Michael Drews, Sarah Bittinger, and Abigail Berard for coordinating the CLE event.
Vector Scientific Biomechanical Engineer Dr. Michio Clark and President and Director of Biomechanics Jeffrey Wheeler submitted research study on “The Effect of Active Head Restraints (AHRs) on Head Kinematics in Rear Impact Sled Tests,” will be presented by Dr. Clark at NHTSA 48th NHTSA Workshop on Human Subjects for Biomechanical Research on Wednesday, October 28, 2020. Read More.
Vector Scientific, Inc. (VSI) was proud to be an exhibit sponsor at the Nebraska Defense Counsel Association Annual Meeting and Seminar on Friday, August 28, 2020, at the Embassy Suites Omaha La Vista Hotel & Conference Center, La Vista, NE. Director of Business Development Tim McCleary shared VSI’s injury biomechanics and accident reconstruction services and expertise. VSI specializes in injury biomechanics and accident reconstruction in the areas motor vehicle, occupational/industrial, sport/recreation, and premise accidents.
Jeff Wheeler, President and Director of Biomechanics at Vector Scientific, Inc. (VSI), presented via Zoom video conferencing the CLE accredited program “Forensic Biomechanics: Applying Injury Biomechanics to Catastrophic Accidents” to the law firm Overturf McGath & Hull, P.C. in Denver, Colorado. A special thanks to trial attorneys Scott McGath, Jason Rietz, their partners and associates. If you are interested exploring a CLE accredited seminar for your law firm then please contact Tim McCleary at 303-697-9977.
Bosch Crash Data Retrieval (CDR) recently expanded their ability to download valuable Event Data Recorder (EDR) information from more Subaru Vehicles (see expanded list in image). Vector Scientific, Inc. (VSI) accident reconstruction engineer Zachariah Weimer can answer your questions regarding EDR download capability of the vehicles in your case. Read More.
The work at home environment has not stopped Vector Scientific, Inc. (VSI) from supporting the legal industry by conducting Continuing Legal Education (CLE) accredited programs. In April Jeff Wheeler, President and Director of Biomechanics, presented “Forensic Biomechanics: Applying Injury Biomechanics to Catastrophic Accidents” to Southern California law firm Bradley & Gmelich LLP via Zoom video conferencing. A special thanks to trial attorneys James F. Saunders, Thomas Gmelich, Kathryn (Kamil) Canale, and their partners and associates for their attendance and participation.
Vector Scientific’s President and Director of Biomechanics Jeff Wheeler, M.S. recently was an invited speaker at the White and Steele 24th Annual Wyoming Claims Seminar. Mr. Wheeler presented Injury Biomechanics in Low-Speed Motor Vehicle Collisions including his research and testing with human volunteers in low-speed collisions and the biomechanics of soft tissue injuries, intervertebral disc injuries, shoulder injuries, and mild Traumatic Brain Injuries. Mr. Wheeler also discussed the role and relationship of accident reconstruction and biomechanical experts in low speed motor vehicle collisions, relevant evidence and material, and data available from event data recorders (black boxes). Mr. Wheeler was joined at the seminar by colleague Steve Storvik, M.S.
J. Michio Clark, PhD., co-author a published research study in the International Journal of Mechanical Sciences in January 2020 on “Biofidelic finite element modelling of brain trauma: Importance of the scalp in simulating head impact” with Antonia Trotta (lead author), Adrian McGolrick, Michael Gilchrist, and Dr. Aisling Ní Annaidh. This research showed that finite element head models represent a valuable tool to investigate brain injury due to head impacts, and highlighted the importance of the scalp in head impact kinematics, particularly for oblique head impacts, where high rotational accelerations are experienced. Read the publication. Read the publication.
Vector Scientific, Inc. (VSI) was proud to participate as a sponsor at the 2020 DRI – The Voice of the Defense Bar’s Product Liability Conference on February 5-7 in New Orleans. Tim McCleary, Director of Business Development, shared VSI’s injury biomechanics and accident reconstruction services and expertise in the areas motor vehicle, occupational/industrial, sport/recreation, and premise cases.
Vector Scientific, Inc. (VSI) was proud to be an exhibit sponsor at the Association of Southern California Defense Counsel 59th Annual Seminar on January 30-31, in Los Angeles, CA. Tim McCleary, Director of Business Development, shared VSI’s injury biomechanics and accident reconstruction services and expertise in the areas motor vehicle, occupational/industrial, sport/recreation, and premise cases.
J. Michio Clark, PhD., and his co-authors Kevin Adanty, Andrew Post, Blaine Hoshizaki, Dr. Aisling Ní Annaidh, and Michael Gilchrist co-authored a published research study in the International Journal of Crashworthiness in December 2019 “A parametric analysis of factors that determine head injury outcomes following equestrian fall accidents.” This research examined the effects and interaction of four primary impact parameters (impact velocity, angle of impact relative to the ground, ground compliance and helmet impact location) on head kinematics and brain tissue response for falls that are most commonly associated with equestrian sports. Read the publication on open access.
J. Michio Clark, Ph.D., co-authored a published research study entitled “Could a compliant foam anvil characterise the biofidelic impact response of equestrian helmets?.” in the Journal of Biomechanical Engineering. The work was a collaboration between University College Dublin School of Mechanical & Materials Engineering, Charles Owen & Co, St. Michael’s Hospital in Toronto and the University of Ottawa School of Human Kinetics. This research on head injury biomechanics, concussions, and helmets was part of Michio Clark’s doctoral work at the University of College Dublin under Prof. Michael Gilchrist’s direction. Read the publication.
J. Michio Clark, Ph.D., co-authored a published research study entitled “Proposed Injury Thresholds for Concussion in Equestrian Sports” in the Journal of Science and Medicine in Sport. The work was a collaboration between University College Dublin School of Mechanical & Materials Engineering, University of Ottawa School of Human Kinetics, St. Michael’s Hospital in Toronto, British Evening, Irish Horseracing Regulatory Board, and British Horseracing Authority. This research on head injury biomechanics, concussions, and helmets was part of Michio Clark’s doctoral work at the University of College Dublin under Prof. Michael Gilchrist’s direction. Dr. Clark recently joined our injury biomechanics team at Vector Scientific, Inc. (VSI). Read the publication on open access.
From Canada by way of Ireland, Vector Scientific, Inc. would like to welcome J. Michio Clark, Ph.D. to our Injury Biomechanics Team. Dr. Clark’s specialty is head injury biomechanics and the protective effects of helmets. Michio’s Doctorate Thesis research involved in-depth analyses and reconstructions of head injuries in equestrian jockey accidents; and his Master’s Thesis research studied concussion injury biomechanics in ice hockey.
Dr. Clark has published more than a dozen scientific articles related to head injury biomechanics and has been part of teams that presented at more than a dozen scientific conferences.
VSI Senior Engineer Zachariah Weimer, M.S., P.E., and Director of Business Development Tim McCleary attended the 2019 Colorado Defense Lawyers Association Annual Meeting in Beaver Creek, CO. Vector Scientific, Inc. was proud to be an exhibitor at this year’s conference. Zachariah and Tim shared VSI’s injury biomechanics and accident reconstruction services and expertise.
J. Michio Clark, co-authored a published research study entitled “Comparing two proposed protocols to test the oblique response of cycling helmets to fall impacts” in the International Journal of Crashworthiness. The work was a collaboration between the University of Ottawa School of Human Kinetics, University College Dublin School of Mechanical & Materials Engineering and St. Michael’s Hospital in Toronto. This research on head injury biomechanics, concussions, and helmets was part of a Masters project under Dr. Blaine Hoshizaki’s direction while Michio Clark’s was on secondment at the University of Ottawa. Below is a link to their publication. Read the publication.
Jeff Wheeler was an invited speaker at the Raffalow, Bretoi, Lutz & Stele 6th Annual Attorney Conference in Fullerton, California. Jeff was asked to speak about Injury Biomechanics in Low Speed Motor Vehicle Collisions. Jeff shared his 30 years of experience including research and testing of head and neck injury biomechanics.
President and Director of Biomechanics Jeff Wheeler was an invited speaker at the 2019 Caltrans Annual Tort Conference in Ventura, California. Jeff and Nick Durisek, Ph.D. of Dynamic Analysis Group from Houston, Texas did a joint presentation on Biomechanics and Crash Reconstruction. The focus was high-speed catastrophic accidents.
J. Michio Clark, co-authored a published research study entitled “Do equestrian helmets prevent concussion? A retrospective analysis of head injuries and helmet damage from real-world equestrian accidents” in Sports Medicine-Open. The work was a collaboration between University College Dublin School of Mechanical & Materials Engineering, Charles Owen & Co, John Radcliffe Hospital in Oxford, Irish Horseracing Regulatory Board, British Equestrian Trade Association and Imperial College London Brain and Vestibular Group. This research on traumatic brain injury, concussions, and helmet damage was part of a lab research project conducted while Michio Clark was completing his doctorate at University College Dublin under Prof. Michael Gilchrist’s direction. Read the publication on open access.
J. Michio Clark, co-authored a published research study entitled “The influence of impact surface on head kinematics and brain tissue response during impacts with equestrian helmets” in Sports Biomechanics. The work was a collaboration between University College Dublin School of Mechanical & Materials Engineering, Charles Owen & Co, St. Michael’s Hospital in Toronto and the University of Ottawa School of Human Kinetics. This research on head injury biomechanics, concussions, and helmets was part of Michio Clark’s doctoral work at the University of College Dublin under Prof. Michael Gilchrist’s direction. Below is a link to their publication. Read the publication.
J. Michio Clark, Ph.D., co-authored a published research study entitled “The biomechanics of concussion for ice hockey head impact events” in Computer Methods in Biomechanics and Biomedical Engineering. The work was a collaboration between the University of Ottawa School of Human Kinetics, St. Michael’s Hospital in Toronto and University College Dublin School of Mechanical & Materials Engineering. This research on head injury biomechanics, concussions, and helmets was part of a lab research project conducted while Michio Clark completing his Masters at the University of Ottawa under Dr. Blaine Hoshizaki direction. Below is a link to their publication. Read the publication on open access.
Jeff Wheeler was an invited speaker along with co-panelist Lisa McMains, Esq., Nick Brauns, Esq., and Hanhtrinh Le, MS on the Biomechanics of Mild Traumatic Brain Injury (mTBI).
The panel presented the latest scientific research on the biomechanics of mTBI including data used to predict a Combined Probability of Concussion using linear and rotational head accelerations. Case studies were used to demonstrate how biomechanical experts can estimate head accelerations in motor vehicle collisions and industrial/occupational accidents and then utilize the latest data to predict the probability of concussion. The panel also discussed the effective use of experts on mTBI cases and included an interactive session of questions and answers from the audience.
Wade A. Baker, M.S., co-authored an article in the prestigious Journal of Biomechanics related to his research on lower limb injuries resulting from underbody loads. Mr. Baker’s article is a product of his work with Virginia Tech and the Army Research Laboratory to design a new anthropomorphic test device (i.e. crash dummy) to advance the safety of military vehicles. The research involved experiments and finite element modeling of human surrogates and dummies with the goal of developing improved injury criteria related to fractures of the foot, ankle and lower leg.
On Thursday, November 15, 2018, Vector Scientific Inc. (VSI) visited the Colorado School of Mines (CSM) in Golden, Colorado for an Information Session. An event co-sponsored by VSI, the American Society of Mechanical Engineers (ASME), and the CMS Career Center. Jeffrey Wheeler, M.S., President - Director of Biomechanics, and Zachariah Weimer, M.S., P.E., Senior Engineer, shared the story of Vector Scientific and the engineering students participating provided a great exchange of questions and answers.
Wade A. Baker, M.S., co-authored an article published in Traffic Injury Prevention related to his research on developing a computational finite element (FE) model of the Warrior Injury Assessment Maniken (WIAMan). The WIAMan is a new human surrogate for studying human responses to underbody blast and other vertical loading scenarios. His article focuses on further development of the lower limb model and the effect a combat boot has on mitigating forces transferred to the lower extremity. Mr. Baker’s research was part of a larger project funded by the Army Research Laboratory to improve the safety of military vehicles, in particular to the threat of improvised explosive devices.
Wade A. Baker, M.S., co-authored an article in the Journal of the Mechanical Behavior of Biomedical Materials related to his research to characterize the behavior of materials used in a new human surrogate (i.e crash dummy). The materials represent various human anatomical structures in the lower leg and were specially selected to give the dummy a “human-like” response under extreme loading conditions. The purpose of Mr. Baker’s article was to develop computational/mathematical models of the materials so that they could be implemented in a finite element model of the dummy.
Steve Storvik, Quinn Campbell, and Jeff Wheeler published a research study entitled "Asphyxia in Motor Vehicle Crashes: Analysis of Crash-Related Variables Using NASS-CDS and Forensic Case Studies" in the American Journal of Forensic Medicine & Pathology.
J. Quinn Campbell, Ph.D. published two articles in the prestigious Journal of Biomechanics based on his research on finite element modeling of lumbar spine biomechanics.
VSI President and Director of Biomechanics Jeff Wheeler presented at the 2016 CLM Atlanta Product Liability Conference along with Chris Egner, Esq. of Continental Tire the Americas in Fort Mill, South Carolina and Carly Celmer, Esq. of Thornton Davis Fein (now Clyde & Co) in Miami, Florida. The title of their presentation was Simplifying through Storytelling: Use of Animations and Graphics in Complex Product Liability Claims.
J. Quinn Campbell completed his Ph.D. at the Colorado School of Mines in Mechanical Engineering with a focus in Biomechanics. Congratulations Dr. Campbell!
Biomechanical Engineer Steve Storvik attended the 59th Stapp Car Crash Conference in New Orleans, Louisiana.
VSI conducted more than 70 tests on 23 different seat belts.
Senior Engineer and Accident Reconstruction Expert Zach Weimer completed two technical courses. Zach completed a SAE and ACTAR certified course on "Vehicle Dynamics for Passenger Cars and Light Trucks". Zach also traveled to Detroit, Michigan to complete the SAE course "Reconstruction and Analysis of Rollover Crashes of Light Vehicles".
Biomechanical Engineer Steve Storvik went to San Diego in November to participate in the 58th Stapp Car Crash Conference and the 42nd International Workshop on Human Subjects for Biomechanical Research.
Jeff Wheeler presented at the American Bar Association (ABA) 2014 Emerging Issues in Motor Vehicle Product Liability Litigation Conference in Phoenix, Arizona. The presentation, entitled Building a Cutting Edge Biomechanical Analysis Using Case specific Data in Complex Automobile Collisions, was a collaborative effort with product liability attorney Aaron Davis from Thornton, Davis & Fein of Miami, Florida. The presentation focused on how biomechanical experts can solve unique challenges presented in complex automobile collisions by querying crash field data and statistically analyzing case specific variable to predict injury probability. The ability to statistically analyze and present the influence and significance of case specific variables on occupant injury risk builds a robust biomechanical analysis of injury risk and probability.
Quinn Campbell was promoted to Senior Biomechanical Engineer. Since 2009 Quinn has been a valuable member of the VSI Biomechanics team conducting forensic biomechanics analyses on automobile, sport/recreation, and industrial/occupational accidents. Mr. Campbell serves as a Project Leader at VSI including testifying as an expert witness. Quinn is also a Research Assistant in the Computational Biomechanics Group at the Colorado School of Mines Center of Biomechanics & Rehabilitation Research.
Jeff Wheeler gave an invited lecture on Forensic Biomechanics at the University of Colorado in Boulder, Colorado as part of the CU Department of Integrative Physiology Spring Colloquium. The Colloquium was attended by Faculty, Post-Docs, Graduate Students, and Undergraduate Students. After the morning lecture, Jeff spent the rest of the day with graduate students including further answering their questions about the science and business of forensic biomechanics in an afternoon classroom panel session as part of their spring colloquium course.
Steve Storvik attended a SAE course on Injuries, Anatomy, Biomechanics & Federal Regulation in Troy, Michigan. This special course covered current automotive safety issues including injury scales, human tolerance parameters, occupant protection, crash testing and test devices, current and proposed injury criteria and their biomechanical basis, and related federal rulemaking. Steve has been a Biomechanical Engineer with VSI since 2011.
Zach Weimer Joins VSI as Senior Engineer (August 2013) VSI Mr. Weimer is a Registered Professional Engineer, Board Certified Diplomat in Forensic Engineering, and Fully Accredited Traffic Accident Reconstructionist. Mr. Weimer graduated from the Colorado School of Mines with a MS and BS in Engineering. Mr. Weimer recently presented at the National Academy of Forensic Engineers on scientific methodology in automobile accident reconstruction. Mr. Weimer has qualified and testified in court as an expert witness in accident reconstruction.
OMICS Group acquired the Journal of Forensic Biomechanics and has appointed Quinn Campbell of VSI to their Editorial Board. JFB is an open access and peer-reviewed journal covering the application of biomechanics to investigate and establish facts of interest in relation to criminal or civil law. JFB publishes original research, review articles, case reports, and short communications related to forensic biomechanics applications in the areas of computational forensics, criminalistics, digital forensics, scientific methodology, constitutive modeling of physiological tissue, causes and prevention of accidents, safety standards and regulation.
SAE's Automotive Engineering International featured an article on VSI’s ability to recreate and simulate complex vehicle accidents and the events inside the vehicle that result in occupant injuries.
VSI is pleased to announce Steven G. Storvik, M.S. has joined our Biomechanics staff. Steve joined VSI after completing his Master of Science in Biomedical Engineering at Marquette University where he specialized in impact biomechanics and conducted research in the Department of Neurosurgery at the Medical College of Wisconsin. Mr. Storvik's research experience includes biomechanics of spine injuries, crashworthiness, computer modeling, and epidemiology of injuries.
ESI Group, a provider of virtual prototyping software, recognized VSI's simulation and reconstruction capabilities in an application brief for its Passenger Safety newsletter.
Quinn Campbell is pursuing his PhD in the Computational Biomechanics Group in the Colorado School of Mines Bioengineering Program. Quinn will remain a full-time employee at VSI while pursuing his doctorate.