In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the ...

This is especially true if you strain any of the suboccipital muscles ... in pain at the base of the skull. Your spine is ...

But you may also experience a tension headache if you strain a group of muscles at the base of the skull called suboccipital muscles ... that sit between the bones, or vertebrae, of your spine.