When muscle cells are viewed under the microscope, one can see that they contain a striped pattern (striations). This pattern is formed by a series of basic units called sarcomeres that are ...

Researchers have created a 3D atlas mapping brain regions that connect to V1 spinal interneurons, which shape motor output.

Signals relayed to motor neurons from the brain enable muscle movement, but these signals typically pass through spinal interneurons before they reach their destination.

Duchenne muscular dystrophy (DMD) is one of the most common and devastating childhood genetic disorders, affecting ...

Muscle cramps are sudden, involuntary, painful contractions of one or more muscles in the body. Also called Charley horses or muscle spasms, they are typically short in duration and can last ...

Located in muscle spindles, these cells modulate neural activity using glutamate signaling, fine-tune muscle contractions, and optimize energy use during physical activity. This feedback system ...

When muscle contractions won't stop and can't be controlled, that's called dystonia. A South Jersey man is now sharing his long experience with it. "I was a nurse at the time and I was punched in ...

An MS muscle spasm might feel like a tight muscle or a painful contraction of the muscle. It could make it difficult to bend or straighten your leg, for example. Multiple sclerosis very rarely ...

Those muscle contractions still occur in an upper limb ... In amputees, those neural pathways are still intact. For the wearable study, Smith and the other study participants had an hourlong ...

When thyroid hormone levels are too low or too high, they can interfere with the transmission of nerve signals that regulate the contraction of muscles, leading to muscle pain. Hypothyroidism is ...