muscle cell
muscle fiber
muscle fibre

To go hard, the body must use new muscle fibers.

These cross the muscle fiber from one side to the other.

This is most likely due to the type of muscle fibers.

He knows how to get performers moving with every muscle fiber.

Take a lot of muscle fibers and get them working a little bit.

This is important because these muscle fibers have the greatest potential for growth and strength.

As a result, muscle fibers become larger and repair faster than the average person's.

The muscle fiber is now prepared for the next contraction.

Jessica was gone, lost among her nerve and muscle fibers.

When I started, my muscle fibers felt like petrified rock.