Hidden inside every organ, microscopic fibers form a scaffolding that quietly shapes how we move, think, and heal. For the ...

In humans, the heart is the first functional organ to develop, starting to beat by four weeks after conception. During the development, the heart grows an intricate and complex network of muscle ...

Leonardo da Vinci was one of the great geniuses of human history who had tremendous insight into many subjects, one of which was human anatomy. Researchers have now confirmed some of his ideas about a ...

Cutting calories has long been linked to longer life in lab animals, but scientists are now tracing that effect down to the ...

Accomplishing perhaps a world first, researchers at Columbia University and the UChicago-affiliated Marine Biological Laboratory have mapped the full-body muscular activity of an animal while it was ...

Building your fast-twitch muscle fibers can help you get stronger and faster. This type of muscle fiber is responsible for the fast, explosive movements used in activities like sprinting, jumping, and ...

Changes in motor units closely reflect disease severity in people with spinal muscular atrophy (SMA), suggesting potential ...

Maintaining muscle as we age helps keep us strong, mobile and independent. Dietitians recommend prioritizing ...