Building muscles: Muscle stem cells (their nuclei marked in blue) gradually alter their structure and function, becoming adult muscle cells (whose nuclei turn red). Those cells will eventually fuse ...

Sensory neurons in human muscles provide important information used for the perception and control of movement. Learning to move in a novel context also relies on the brain's independent control of ...

Both bodyweight exercises and weightlifting are uniquely effective at building strength. Which is better for you depends on ...

Researchers developed a way to help people with amputation or paralysis regain limb control. Their optogenetic technique could offer more precise control over muscle contraction, along with a dramatic ...