Fascial Casings of Each Muscle Fiber & Muscle Fiber Group, and the Entire Muscle Belly. All sheaths converge with each other at the ends of the muscle to form the tendons.
Each muscle fiber is encased in successive sheaths of fascia (epimysium, perimysium, endomysium, & fascicles, as is each group of muscle fibers, as is the entire bundle of fibers within the muscle belly.