def height_from_height_shoulders(segment_length):
    """
    Calculates body height based on the height of the shoulders from the ground

    args:
        segment_length (float): height of the shoulders

    Returns:
        float: total body height
    """
    if segment_length <= 0:
        raise ValueError('segment_length must be > 0')
    return segment_length / 0.818
