A group of muscle fascicles, or muscle cells, are surrounded by a type of connective tissue called epimysium. The muscles are attached to tendons, and those tendons are then attached to bone. Within muscle fascicles, there are groups of muscle fibers. The type of connective tissue that covers each fascicle, is called perimysium. Surrounding each muscle fiber is endomysium. (Skeletal Muscle Anatomy & Physiology). In the muscle fibers, there are groups of myofibrils. Myofibrils are made up of sarcomeres, thick filaments, and thin filaments, that aid in muscle contraction by shortening.
Muscle contraction can be described …show more content…
Jamesy’s parents, Karen and James Raffone, have started the foundation, “Jar of Hope”, with the goal of saving their sweet boy. Jamesy also has two older sisters, Marianna and Julia, and a puppy named Buggles, that he loves very much. He is an extremely happy, sweet, and kind boy that is full of life. He does not deserve the future that’s in store for him. The Raffones are a great family and they are determined to raise the awareness and funds needed to end Duchenne all together. He really has the best support team behind him, and everyone that’s heard his story, is touched and determined to help in any way that they