preferred_name: Maintains head vertically while upright and maintains control for more than 45 degrees of backward movement with chin tucked and head in midline.
preferred_name_lc: maintains head vertically while upright and maintains control for more than 45 degrees of backward movement with chin tucked and head in midline.
label: Maintains head vertically while upright and maintains control for more than 45 degrees of backward movement with chin tucked and head in midline.
label_lc: maintains head vertically while upright and maintains control for more than 45 degrees of backward movement with chin tucked and head in midline.