Maintains head vertically while upright and maintains control for 15-45 degrees of backward movement, head in midline.
maintains head vertically while upright and maintains control for 15-45 degrees of backward movement, head in midline.
Maintains head vertically while upright and maintains control for 15-45 degrees of backward movement, head in midline.
maintains head vertically while upright and maintains control for 15-45 degrees of backward movement, head in midline.