Signals relayed to motor neurons from the brain enable muscle movement, but these signals typically pass through spinal ...

Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

Dystonia is a neurological disorder causing involuntary muscle contractions and abnormal postures. Botulinum toxin (e.g., Botox) is the gold-standard, first-line treatment for focal dystonias, which ...

Scientists traced connectivity between neurons to identify how the brain communicates with the spinal cord to control motor function. Signals relayed to motor neurons from the brain enable muscle ...