A motor unit refers to a motor neuron, the nerve cell that controls muscular activity, and the muscle fibers that it controls. Whenever a motor unit is active, the motor neuron releases acetylcholine ...

Muscle twitching occurs when nerves misfire, causing groups of muscle fibers to contract uncontrollably ... symptom of diseases that affect the lower motor neurons, like ALS. Other lower motor neuron ...

A new study shows the tradeoff between power and efficiency in muscles is governed by proteins that form a molecular tuning ...

Sydney Elisabeth and Josh Holloway in a scene from the new 1970s-set Max drama "Duster," which is named for the vintage muscle car. After about 20 minutes, Ross turned around and said ...

Big Brother star Imogen Thomas has shared the heartbreaking reality of her mum’s ongoing battle with motor neurone disease, admitting during an exclusive chat with OK! that sadly, she’s ...

and this causes microscopic damage to the muscle fibers, resulting in stiffness or soreness. This type of injury is sometimes referred to as delayed onset muscle soreness (DOMS). A common cause of ...

Fatigue is common, and it can tank performance or even set you up for injury, not to mention sap the enjoyment out of longer rides or resistance training. Although there are some quick fixes, like ...

2 Hyperexcitability leads to fasciculations and muscle cramps, and potentially enhances motor neuron death, via glutamate-induced excitotoxicity and increased oxidative stress and metabolic demand. In ...