Several aspects of your leg's strength and stability can be determined with a straight leg raise test (SLR). A doctor performs a straightforward leg test by lying the patient flat on a bed and raising ...

The hypoglossal nerve is one of the 12 cranial nerves arising from the brain. It's a paired nerve, and you have two — left and right. Together, the two hypoglossal nerves control the muscles of the ...

You might think you know what it feels like to have sore, tight muscles. But, sometimes, what feels like a muscle ache is actually a more complex problem — one that's related to nerves. "It's much ...

Researchers engineered the first injectable microtissue containing motor and sensory neurons encased in protective tissue, called tissue engineered neuromuscular interfaces (TE-NMIs). The TE-NMI ...

Researchers describe how a gene called NANOG can improve the regrowth of damaged nerves after traumatic nerve injuries, like those sustained in motor vehicle accidents or gunshot wounds. The key to ...

Occasional leg cramps are considered common and usually harmless, especially after physical exertion, dehydration, or ...

MRI is a diagnostic test that doctors use to diagnose and track the progress of amyotrophic lateral sclerosis (ALS). ALS is a progressive disease that damages nerve cells in the brain and spinal cord.

Loss of muscle mass (muscle atrophy) can be a result of aging or lifestyle habits, like being inactive or eating a poor diet. Muscle loss can also point to hormone abnormalities or underlying health ...

Experts now better understand the causes of different types of chronic pain. Here's what to know about the treatments that can bring relief. By Meeri Kim Almost everyone has pain sometimes. It might ...

MIT scientists find that motor neuron growth increased significantly over 5 days in response to biochemical (left) and mechanical (right) signals related to exercise. The green ball represents cluster ...