Labels:bird | monitor | radio compass | sky | tv | xerox OCR: CTLV Alignment with foramen magnum anterior margins of cervical vertebrae posterior margins cervical vertebrae spinolaminal line tips of spinous processes predental joint space mm adult mm child pseudosublux and C3 children up to 40% of while subluxed, C1-3 spinolaminal lines should line up predenta whil shoulc