William O. Roberts, MD, a family physician at MinnHealth, in Minnesota, and vice president at the American College of Sports Medicine, likens a stress fracture to bending a paperclip back and forth: Eventually you get little cracks. While stress fractures are pretty common in the lower extremities -- the shin, foot, ankle-- they can also occur in the back or in the arms, says Nicholas A. DiNubile, MD, an orthopaedic consultant to the Philadelphia '76ers and the Pennsylvania Ballet.
A headache or cephalalgia is pain anywhere in the region of the head or neck. It can be a symptom of a number of different conditions of the head and neck. Headaches can result from a wide range of causes both benign and more serious. Brain tissue itself is not sensitive to pain as it lacks pain receptors.
A headache (medically termed cephalgia) is a pain in the head. Headaches can be located anywhere in the head, including above the eyes or the ears, behind the head (occipital headache), the top of the head (coronal headache), or in the back of the upper neck. headache (medically termed cephalgia) is a pain in the head. Headaches can be located anywhere in the head, including above the eyes or the ears, behind the head (occipital headache), the top of the head (coronal headache), or in the back of the upper neck.