US Patent 9599635 Motion analysis apparatus and motion analysis method

A motion analysis apparatus includes: a threshold value determining section that determines whether the amount of inertia in a first period is within a threshold value range; a bias value setting section that sets, if it is determined that the amount of inertia is within the threshold value range, a bias value included in the amount of inertia on the basis of a first average value that is an average value of the amount of inertia detected in the first period; and an analysis information calculating section that analyzes a motion of a measurement object using correction data from which the bias value is removed.