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).
Medical practitioners often refer to osteoarthritis in the spine as spinal arthritis, degenerative joint disease, or arthritis of the facet joints.Spinal arthritis is relatively common and is most likely to occur in people over age fifty.steoarthritis of the spine is unlike arthritis of the hip, knee and other joints, as the pain, aches, tiredness and stiffness does not come from just the facet joints but often also from the degenerated discs and inhibition of the spinal extensor muscles.