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OpenSim Webinar: Modelling and Simulating ACL Injuries in Young Female Athletes

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  • OpenSim Webinar: Modelling and Simulating ACL Injuries in Young Female Athletes

    The OpenSim Project and the National Center for Simulation in Rehabilitation Research (NCSRR) at Stanford invite you to join our next webinar, featuring Julia Kar from Washington University.

    Title: Modelling and Simulating Anterior Cruciate Ligament (ACL) Injuries in Young Female Athletes
    Speaker: Julia Kar, Washington University
    Time: Thursday, September 25, 2014 at 10:00 a.m. Pacific Daylight Time

    Anterior cruciate ligament (ACL) injuries are frequently incurred by young recreational and professional female athletes during non-contact impact activities in sports like volleyball and basketball. The seriousness of such high-impact knee injuries are evident from an examination of high school season-ending injuries, 91% of which occur due to non-contact maneuvers like landing from a jump, side-cutting or sudden change of direction.

    In this presentation, I will demonstrate musculoskeletal-neuromuscular modelling and simulation methodologies for determining the underlying causes of these injuries in young female athletes while performing stop-jump activities. Specific details on modelling the ACL as a passive tissue within the musculoskeletal (knee) structure with two fixed ends inserted into the femur and tibia will be presented. I will also discuss the methods and results from using this model to investigate the effects of various aspects of the stop jump activity on biomechanical parameters that might predict ACL injury, including knee valgus and internal-external rotations and moment loads, as well as ACL strains and internal forces. Here, I will specifically discuss how the ACL strains and internal forces can be determined from its tissue properties and knee joint dynamics during the stop-jump trajectories.

    The model and simulation files used to generate the results of this study are provided in the project They can be used as a guide for creating, simulating, and visualizing the 3-dimensional ACL and other knee biomechanics while stop jumps are performed.

    Participation is free, but you must register in advance. We also ask that you join the webinar 5 minutes early to orient yourself to the webinar interface.

    Visit our website for more information and registration. The website also includes links to recordings of past webinars:

    The OpenSim Webinar Series is funded by the NIH National Center for Simulation in Rehabilitation Research (NCSRR). Find out more about the NCSRR and the webinar series by visiting our website,