In a new study, UCLA Health researchers have found that motor delay and low muscle tone were common signs of an underlying genetic diagnosis in children with neurodevelopment disorders. Given the ...

Recording the spiking activity of muscle fibers at high resolution in awake, behaving mice, reveals that locomotor speed is driven by highly variable subsets of motor units.

Motor control refers to the process by which the nervous system coordinates the muscle and limbs to achieve a desired movement or set of actions. This includes the ability to anticipate, adjust and ...

Although the prevalence of muscle weakness in the general population is uncertain, it occurs in about 5% of U.S. adults 60 years and older. Determining the cause of muscle weakness can be challenging.

An older patient mentions that the stairs have become harder. They have stopped carrying the shopping in from the car. Last month they had a fall in the kitchen.