Every time your child's ill and you keep them home from school, it doesn't necessarily mean that you have to see the doctor, said Altmann. Parents should be concerned if their child has a fever lasting several days or is very ill and complaining of pain.
It is named for the Atlas of Greek mythology, because it supports the globe of the head. The atlas is the topmost vertebra and with the axis forms the joint connecting the skull and spine. The atlas and axis are specialized to allow a greater range of motion than normal vertebrae. They are responsible for the nodding and rotation movements of the head. The atlanto-occipital joint allows the head to nod up and down on the vertebral column. The dens acts as a pivot that allows the atlas and attached head to rotate on the axis, side to side. The atlas's chief peculiarity is that it has no body.
The ischial tuberosity (or tuberosity of the ischium, tuber ischiadicum), also known informally as the sitz bone, or as a pair the sitting bones) is a large swelling posteriorly on the superior ramus of the ischium.he tuberosity is divided into two portions: a lower, rough, somewhat triangular part, and an upper, smooth, quadrilateral portion. 1  The lower portion is subdivided by a prominent longitudinal ridge, passing from base to apex, into two parts: