Biomechanics of Injury Assessment in Blast Environments

Blast events subject the human body to rapid pressure waves and mechanical loading that can cause a spectrum of injuries, from skeletal fractures to visceral damage. Biomechanical assessment combines experimental, computational and clinical approaches to quantify how blast parameters such as peak overpressure, impulse and loading duration translate into tissue stresses, strains and ultimately injury outcomes. Modern studies employ anthropomorphic test devices, instrumented surrogates and cadaveric specimens alongside high-fidelity finite-element models to probe the response of the spine, lower extremities and internal organs. Injury criteria derived from such analysis support the development of protective systems, vehicle design and medical triage protocols. Advances in sensor technologies and image-based model validation have improved the accuracy of threshold estimates for bone failure and soft-tissue trauma. At the same time, a growing appreciation of individual variability in anatomy and physiology has spurred efforts to incorporate subject-specific factors such as stature, bone density and pre-existing conditions into risk prediction. The field thus bridges fundamental mechanics, material characterisation and clinical practice to enhance survivability and guide injury mitigation in military, civilian and industrial settings.

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Biomechanics of Injury Assessment in Blast Environments publication trend

The graph below shows the total number of articles in biomechanics of injury assessment in blast environments across all publications each year (not limited to Nature Index journals).

Technical terms

Finite-element model: A numerical representation that divides complex anatomical structures into small elements to compute stresses and strains under loading.

Underbody blast (UBB): An explosive event occurring beneath a vehicle, generating upward acceleration and pressure waves transmitted through the floor.

Anthropomorphic test device (ATD): A crash or blast test dummy instrumented to measure forces, moments and accelerations representative of the human body.

Abbreviated Injury Scale (AIS): A standardised scoring system that classifies the severity of injuries by region, facilitating injury risk assessment and reporting.

References

1. Stature and mitigation systems affect the risk of leg injury in vehicles attacked under the body by explosive devices. Frontiers in Bioengineering and Biotechnology (2023).
2. Prominent Injury Types in Vehicle Underbody Blast. Military Medicine (2019).