Increased head circumference. Increased head circumference is when the measured distance around the widest part of the skull is larger than expected for the child's age and background. A newborn's head is usually about 2 cm (centimeters) larger than the chest size. Between 6 months and 2 years, both measurements are about equal. After 2 years, the chest size becomes larger than the head.
Joints allow motion (articulation). The joints in the spine are commonly called Facet Joints. Other names for these joints are Zygapophyseal or Apophyseal Joints. Each vertebra has two sets of facet joints. One pair faces upward (superior articular facet) and one downward (inferior articular facet).There is one joint on each side (right and left).he joints in the spine are commonly called Facet Joints. Other names for these joints are Zygapophyseal or Apophyseal Joints. Each vertebra has two sets of facet joints. One pair faces upward (superior articular facet) and one downward (inferior articular facet).
Column of ring-like bones. Also known as your backbone, your spine is a strong, flexible column of ring-like bones that runs from your skull to your pelvis.It holds your head and body upright and allows you to bend and twist your body.our spine is made up of 33 irregularly shaped bones called vertebrae. Each vertebra has a hole in the middle through which the spinal cord runs. The spinal cord can be divided into five different regions, from top to bottom: