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Angle of rotation around the main axis (expressed in degree °, upper graphic) and Magnitude of acceleration (m·s−2, lower graphic) are plotted as a function of time during the 5 Sit to Stand test in a representative subject. The points (○) mark the events of each repetition (start, standing position, and end). Light grey sections highlight the concentric phases (i.e., raising phase), while white sections highlight the eccentric phases (i.e., sitting phase).
