The cervical spine consists of seven vertebrae, which are the smallest and uppermost in location within the spinal column. Together, the vertebrae support the skull, move the spine, and protect the sp...

Lower Back and Superficial Muscles The muscles of the lower back help stabilize, rotate, flex, and extend the spinal column, which is a bony tower of 24 vertebrae that gives the body structure an...

Brain Much of the brains physiological task involves receiving information from the rest of the body, interpreting that information, and then guiding the body response to it. Types of input the bra...