BMW is a corporate sponsor of the US Olympic Committee.  Instead of just supporting us financially they also wanted to help technically.  We had a meeting with them and decided that we needed a technology that could measure the running and take-off velocity of a long jump.  So they developed a system for us.  We [...]

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Pelvis and Thorax Transition plus Spine Rotation

by philcheetham on December 22, 2011

  Here is a detailed explanation of the pelvis and thorax kinematic sequence curves from TPI 3D, focused around transition.  They display how transition occurs and there is a lot of information that can be gleaned from them.  They relate directly to the spine rotation graph also.  So for TPI 3D techies here we go. [...]

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The Biomechanics of Elite Sprinters

November 28, 2011

I recently attended the annual track and field summit that included sessions on sprints, hurdles, throws and jumps. I especially enjoyed the seminars by Dr. Ralph Mann on sprint mechanics. Here are some of the main points that I picked up. Ralph emphasizes “front side” mechanics rather than “back side” mechanics. It is a mistake [...]

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