Spinal reflexes -- controlled by local circuits of nerve cells in the spinal cord -- provide a way for the body to react and move quickly without a conscious decision from the brain.

Have you ever touched something hot and quickly pulled your hand away? Or jumped when you heard a loud sound? Or felt ...

A reflex Arc (This is actually a spinal reflex arc) The muscles are able to move or act in response to electrical nerve impulse because muscles are made of muscle cells.

The simulation experiment: To test whether and how a spinal circuit can allow voluntary movements by modulating or inhibiting movement perturbations that arise from stretch reflexes, the team, led ...

In 1999, when Jason Carmel, MD, Ph.D., was a second-year medical student at Columbia, his identical twin brother suffered a spinal cord injury, paralyzing him from the chest down and limiting use ...

Medically reviewed by Jennifer Steinhoff, MD A pinched nerve in the lower back occurs when excessive pressure is applied to a nerve, leading to pain, numbness, or weakness. Also known as radicular ...

"In most spinal cord injuries in animals and in people, the spinal cord is not completely severed, but is more likely to be crushed," he says. "It is this crushing or compression of the spinal cord ...