The OpenSim team at Stanford University is pleased to announce the launch of the *OpenSim Webinar Series* on March 8, 2011 at 9:00 am Pacific Standard Time. The first speaker will be Samuel Hamner from the Neuromuscular Biomechanics Laboratory at Stanford University. Hamner is an expert OpenSim user who will discuss how he has used OpenSim tools to create and analyze muscle-actuated simulations of running. *Title: * Creating and Analyzing Muscle-Driven Simulations of Human Running *Speaker:* Samuel Hamner, Stanford University *Time:* Tuesday March 8, 2011 at 9:00 a.m. Pacific Standard Time *The talk will be approximately 35 minutes, followed by an open Q&A session. * Register Here<https://stanford.webex.com/stanford/onstage/g.php?d=497794375&t=a> Participation is free, but you must register in advance. We also ask that you join the webinar 10 minutes early to orient yourself to the webinar interface. Instructional materials for downloading and using the free webinar software will be sent upon registration and can also be found here<http://opensim.stanford.edu/webinarguide.pdf> . The OpenSim Webinar Series is funded by the NIH National Center for Simulation in Rehabilitation Research (NCSRR). Find out more about the NCSRR <http://opensim.stanford.edu> and the webinar series<http://opensim.stanford.edu/about/webinars.html>by visiting our website, opensim.stanford.edu.