Investigation of the spinal loads in a consistent model of the spine

What is it about?

Understanding the nature of the loads acting in the spine requires implementing an accurate representation of the musculoskeletal system in computer simulations. In this work, one such model is presented, which included a state-of-the-art anatomical dataset. This model included the individual vertebrae at the cervical, thoracic, and lumbar regions, a flexible ribcage, and complete muscle anatomy. The predicted intervertebral disc and muscle forces were in close agreement with previously published works. The validated model was used to investigate the load distribution throughout the entire spine under physiological movements. Predicted spinal compression forces were presented as percentages of the body weight.

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Why is it important?

This model is the first to include a complete and coherent spinal anatomy and is thus highly subject-specific. Presented load data can be used to gain a better insight into the spinal loads and can be used in vitro testing of the spinal tissues and implants.

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