During restricted periods of development (embryonic day (E) 14.5-E15.5 in mice 1), peripheral innervation of a subset of type I myotubes by group Ia sensory (but not motor 9) axons provides ...

Every second, millions of cells in your body divide in two. In the space of an hour, they duplicate their DNA and grow a web ...

The muscular system works to control the movement of our body and internal organs. Muscle tissue contains something called muscle fibers. Muscle fibers consist of a single muscle cell. They help to ...

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 ...

slow-twitch muscle fibers, which move more slowly but help to keep you moving longer fast-twitch muscle fibers, which help you move faster, but for shorter periods “Twitch” refers to the contraction, ...

Fast-twitch fibers help with explosive movements like sprinting and weight lifting. Genetics and training influence the distribution of fast-twitch and slow-twitch muscle fibers. Doing strength ...

If your fitness goal is to up the ante on endurance, pack more power into your sprint, or supercharge your strength gains in the gym, it’s worth exploring – what are the different muscle fiber types?

UCSF scientists discover that the spindle, the structure that divides chromosomes equally during mitosis, actually gets stronger when it is stretched.