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Platform Design for Optical Screening and Conditioning for Injury Resilience
Bhawna Shiwani1,2, Amy Silder3, Alaina Tulskie1,2
1Altec Inc, Natick, MA 01760, USA.
Military Medicine
|August 20, 2024
Summary
A new 3D camera system, Optical Screening and Conditioning for Injury Resilience (OSCIR), accurately measures movement to prevent musculoskeletal injuries (MSKIs) in soldiers. This technology enhances training and rehabilitation for improved warfighter readiness.
Area of Science:
- Biomechanics and Movement Analysis
- Sports Medicine and Rehabilitation Technology
- Military Health and Performance
Background:
- Musculoskeletal injuries (MSKIs) significantly impact military readiness, causing millions of limited duty days and contributing to nondeployable populations.
- Overuse injuries, particularly in the lower limbs, are prevalent due to demanding physical activities like running, heavy load marching, and lifting.
- Effective physical training and rehabilitation are crucial for preventing MSKIs, emphasizing proper biomechanics and conditioning.
Purpose of the Study:
- To introduce the Optical Screening and Conditioning for Injury Resilience (OSCIR) platform, a 3D camera-based system for identifying and correcting high-risk movement patterns.
- To enhance resilience to MSKIs by providing accessible, quantifiable biomechanical assessments in clinical and field settings.
- To support warfighter readiness through improved movement quality and injury prevention strategies.
Main Methods:
- The OSCIR system integrates four pairs of Kinect Azure cameras for dynamic movement tracking using a custom point cloud solution.
- A multistage 3D joint tracking algorithm isolates the human body, identifies limb segments, and optimizes joint positions.
- Feasibility was evaluated with 12 participants, assessing 7 lower-extremity exercises against a Vicon motion capture system.
Main Results:
- The system demonstrated high accuracy for MSKI indicators, with average errors of 4.05° for joint range of motion and 2.58 cm for 3D positional outcomes.
- Results indicate that OSCIR's performance is comparable to established laboratory standards for movement analysis.
- The prototype system shows feasibility for accurately capturing biomechanical data relevant to injury risk.
Conclusions:
- The OSCIR system offers an integrated 3D camera-based solution for MSKI conditioning and rehabilitation in military settings.
- Automating assessment and rehabilitation test batteries improves accessibility and accuracy through objective biomechanical measures.
- OSCIR is poised to serve as a screening tool for injury susceptibility and a training platform for enhancing warfighter resilience.
