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Award-Winning Research

Neck Muscle Analysis of Vehicle Occupants

Revolutionizing automotive safety through advanced biomechanical research and 3D muscle modeling

University of Michigan - UMTRI
August 2024
Neck muscle model demonstration

Research Overview

Understanding anatomical variations to enhance vehicle safety design

100+ Participants

Diverse demographics including varied genders, sizes, statures, and ages

3D Modeling

Advanced CT scan analysis using Mimics, 3D Slicer, and TotalSegmentator

Cross-sectional Analysis

Precise measurement and correlation analysis of neck muscle areas

The Critical Challenge in Vehicle Safety

Current vehicle safety designs often overlook the significant variation in neck muscle sizes among different individuals, potentially leaving some occupants more vulnerable to injuries such as whiplash, than others.

Our research at the University of Michigan Transportation Research Institute (UMTRI), sponsored by Toyota, addresses this critical gap. By constructing detailed 3D models of neck muscles using CT scans from over 100 diverse participants, we've uncovered important patterns that could revolutionize how we approach vehicle design, particularly for neck safety.

The findings reveal that men generally possess larger neck muscle cross-sectional areas compared to women, while taller and heavier individuals tend to have proportionally larger neck muscle areas. These discoveries aren't just academic—they have real-world implications for creating adaptive safety features that protect all vehicle occupants, regardless of their physical characteristics.

Consider the difference between a petite woman and a tall, muscular man sitting in the same vehicle. Traditional one-size-fits-all safety systems may not provide optimal protection for both. Our research provides the foundation for developing intelligent safety systems that can adapt to individual anatomical variations, ensuring that every person receives the protection they need in case of a crash.

Award-winning research poster on neck muscle modeling
Award-winning research poster presented at UMTRI Summer 2024

Award-winning research poster on neck muscle modeling
Award-winning research poster presented at UMTRI Summer 2024

Key Research Findings

Data-driven insights that are reshaping automotive safety standards

Gender Variations

Men consistently demonstrate larger neck muscle cross-sectional areas compared to women, indicating the need for gender-specific safety considerations in vehicle design.

Stature Correlation

Taller individuals exhibit proportionally larger neck muscle areas, suggesting height-based adjustments could enhance safety system effectiveness.

Weight Factor

Heavier individuals tend to have larger neck muscle areas, providing insights for weight-adaptive safety mechanisms in modern vehicles.

Real-World Impact

This research represents more than academic achievement—it's a pathway to saving lives. By understanding how neck muscle anatomy varies across populations, automotive engineers can design safety systems that truly protect everyone, not just the average occupant.

Third Place Award from UMTRI Summer 2024 Student Poster Competition

Recognition & Achievement

  • Third Place Award - UMTRI Summer 2024 Student Poster Competition
  • Supervisor: Dr. Jingwen Hu
  • Institution: University of Michigan, Ann Arbor
  • Tools Used: Mimics, 3D Slicer, TotalSegmentator, Fusion 360

Research Poster & Methodology Details

Explore the award-winning poster summarizing the full research process and key findings.

Research poster on neck muscle modeling
Poster presented at UMTRI Summer 2024 by Manasa Muthukumar. Third Place Winner.