Hidden inside every organ, microscopic fibers form a scaffolding that quietly shapes how we move, think, and heal. For the first time, scientists have produced detailed maps of these fiber webs across ...

High-force, high-repetition movements create microinjuries in muscle fibers. Muscle tissue responds by making repairs. But over time, with repetition of injury, healing capacity becomes overwhelmed, ...

The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury. Muscles, ...