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2. Spinal posture - Wikipedia

   en.wikipedia.org/wiki/Spinal_posture

   Spinal posture is the position of the spine in the human body. It is debated what the optimal spinal posture is, [ 1 ] and whether poor spinal posture causes lower back pain . [ 2 ] Good spinal posture may help develop balance, strength and flexibility .

3. Lordosis - Wikipedia

   en.wikipedia.org/wiki/Lordosis

   Spine – Natural factors of how spines are formed greatly increase certain individuals' likelihood to experience a strain or sprain in their back or neck. Factors such as having more lumbar vertebrae allowing for too much flexibility , and then in cases of less lumbar the individual not reaching their necessity for flexibility and then pushing ...

4. Sciatica - Wikipedia

   en.wikipedia.org/wiki/Sciatica

   Typically, symptoms are only on one side of the body. [3] Certain causes, however, may result in pain on both sides. [3] Lower back pain is sometimes present. [3] Weakness or numbness may occur in various parts of the affected leg and foot. [3] About 90% of sciatica is due to a spinal disc herniation pressing on one of the lumbar or sacral ...

5. List of human anatomical regions - Wikipedia

   en.wikipedia.org/wiki/List_of_human_anatomical...

   the cervical region encompassing the neck, the scapular region encompassing the scapulae and the area around, the dorsal region encompassing the upper back; the lumbar region encompassing the lower back. the sacral region occurring at the end of the spine, directly above the buttocks. The regions of the back of the arms, from superior to ...

6. Head and neck anatomy - Wikipedia

   en.wikipedia.org/wiki/Head_and_neck_anatomy

   The spinal nerves arise from the spinal column. The top section of the spine is the cervical section, which contains nerves that innervate muscles of the head, neck and thoracic cavity, as well as transmit sensory information to the CNS. The cervical spine section contains seven vertebrae, C-1 through C-7, and eight nerve pairs, C-1 through C-8.

7. Human back - Wikipedia

   en.wikipedia.org/wiki/Human_back

   The central feature of the human back is the vertebral column, specifically the length from the top of the thoracic vertebrae to the bottom of the lumbar vertebrae, which houses the spinal cord in its spinal canal, and which generally has some curvature that gives shape to the back. The ribcage extends from the spine at the top of the back ...

8. Spinal column - Wikipedia

   en.wikipedia.org/wiki/Spinal_column

   The number of vertebrae in a region can vary but overall the number remains the same. In a human spinal column, there are normally 33 vertebrae. [3] The upper 24 pre-sacral vertebrae are articulating and separated from each other by intervertebral discs, and the lower nine are fused in adults, five in the sacrum and four in the coccyx, or tailbone.

9. Back pain - Wikipedia

   en.wikipedia.org/wiki/Back_pain

   Determining if there are radicular symptoms, such as pain, numbness or weakness that radiate down limbs, is important for differentiating between central and peripheral causes of back pain. The straight leg test is a maneuver used to determine the presence of lumbosacral radiculopathy, which occurs when there is irritation in the nerve root ...