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Sport Biomechanics, Motion Analysis, Training and Technology
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Here is an article written by Gord Workum; a Titleist Performance Institute Instructor on why 3D Motion Capture (and Analysis) is better than simple 2D video analysis with regard to the golf swing. I like it and I will follow up with another article adding my point of view. The only way to measure...
In December of last year my daughter Jennifer asked me to get her into tumbling. She cartwheels everywhere in the house and is more times upside-down than on her feet. So I finally enrolled her in a tumbling class. After two beginner sessions she was hooked and the coach immediately asked her to be...
Three methods of beginning the downswing kinematic sequence are explained; they are: Stretching: Proximal segment precedes the distal segment, stretching the muscles, putting them in eccentric contraction hence providing more force for later in the downswing. Riding: Proximal and distal segment turn at the same speed in the downswing, the muscles are in isometric...
I am currently teaching BIO 385 Sport and Exercise Biomechanics at National University in Carlsbad California. It’s an online course and we have a weekly discussion question. Last week it was on angular momentum. Here’s the question: The total angular momentum of a diver changes from zero to some high value during the takeoff...
I recently captured the swings of a young female playing professional on the AMM3D golf full-body motion capture system using TPI 3D analysis. She had some issues with the kinematic sequence peaking order, it was not optimal; her thorax was peaking before her pelvis. I noticed from the graphs that she had both a...
Introduction This article is meant as an introduction to the basics of measuring position in both two dimensions and three-dimensions; specifically to the golf swing. I wrote it a while ago but would like to bring it back and then continue the idea. Position Measurement in Two-Dimensions When we want to measure the position...