title: A procedure for determining angular positional data relative to the principal axes of the human body.
abstract: This paper describes a simple computational procedure for determining angular displacement-time histories of human motion from three-dimensional cine data. The method is based on algebraic transformations of coordinates and coordinate axes. Through these coordinate transformations data was acquired for a multi-axial tumbling skill to illustrate angular displacement-time data relative to the moving coordinate system described by the human body through space.
mesh_terms: D001696:Biomechanical Phenomena; D006801:Humans; D009048:Motor Skills; D009068:Movement; D011187:Posture