Evaluation of reflex changes. 1  Muscle: Stretch reflexes are depressed in parallel to loss of strength. 2  Neuromuscular junction: Stretch reflexes are depressed in parallel to loss of strength. 3  Peripheral Nerve: Stretch reflexes are depressed, usually out of proportion to weakness (which may be minimal).
Spinal cord: The major column of nerve tissue that is connected to the brain and lies within the vertebral canal and from which the spinal nerves emerge. Thirty-one pairs of spinal nerves originate in the spinal cord: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. The spinal cord and the brain constitute the central nervous system. The spinal cord consists of nerve fibers that transmit impulses to and from the brain. Like the brain, the spinal cord is covered by three connective-tissue envelopes called the meninges.
The spine, also known as the vertebral column or spinal column, is a column of 26 bones in an adult body â 24 separate vertebrae interspaced with cartilage, and then additionally the sacrum and coccyx....tretching down the midline of the trunk from the base of the skull to the coccyx, the spine plays an extremely important role in our bodies as it supports the upper bodyâs weight; provides posture while allowing for movement and flexibility; and protects the spinal cord.