PPT-Muscular System Introduction:

Over 600 muscles make up the muscular system Muscles are made of bundles of muscle fibers that are held together by connective tissue Properties Characteristics of Muscles Excitability or irritability ability to respond to a stimulus such as a nerve impulse. Muscular . System. Major functions. cardiac . muscle, smooth muscle, skeletal muscle.. Function and locations. Cardiac muscle :. . it helps to pump the heart, help move material through the digestive tract, and moves the body.. What it is…. Muscular Dystrophy is a family of hereditary disease that cause progressive and steady muscle weakening.. Duchenne. and Becker muscular dystrophy, (which are just 2 forms of MD) alone affect approximately 1 in every 3,500 to 5,000 boys.. Your Muscles. Functions of the Muscular System. A . muscle. is made of strong tissue that can contract in an orderly way.. When . a muscle contracts, the cells of the muscle become shorter.. When a muscle relaxes, the cells return to their original length.. Chapter 8. Muscles. Body made up into many different muscles but can be categorized into 3 Groups (Cardiac, Smooth, and Striated.). Cardiac and Smooth = Involuntary. Striated Skeletal Muscle= Voluntary. Objectives:. . The student will understand the principle of muscular strength fitness.. The student will recognize the principle of muscular endurance.. Each student will comprehend the FITT principles of muscular strength/muscular endurance i.e. frequency, intensity, time, type.. Chris Welter. Billy Ellsworth. Boston Globe via Getty Images. Duchenne Muscular Dystrophy (DMD). Symptoms appear by the age of six in young boys. Caused by a mutation in the gene for the protein dystrophin. http://glencoe.mcgraw-hill.com/sites/007874184x/student_view0/brainpop_movies.html#. Organs and Functions . Because of the way we usually see bones, it’s easy to think of them as dry and lifeless. . NASPE Standards: 2,4. 8.1 – Muscular Endurance Basics. 4 Objectives:. Tell the differences among muscular endurance, cardiovascular fitness, and muscular strength.. Describe benefits of good muscular endurance. Learning Objectives:. Describe the functions of the muscular system. Identify structures of the muscular system and the function of each. Describe methods of assessment of the muscular system. Describe disorders of the muscular system. Muscle cells cannot . partially. contract. They act on the ‘all or none’ principle. They either contract 100% or do not contract at all.. You cannot turn fat into muscle by exercising.. You cannot ‘spot reduce’ i.e. you cannot get rid of your spare tire by doing sit-ups.. The Skeletal System . Skeletal System – bones of the body, shields important organs, gives your body shape. Skull protects the brain / Ribs Protect your heart and lungs / Back bone protects your spinal cord. Name the three bones in your arm. The three bones in your arm include…... Describe three functions of skeletal system. E.g. - The skeletal system is responsible for BLOOD PRODUCTION. The bone marrow inside larger bones produces blood cells. Muscular System. Main Function. The muscular system is responsible for the movement of the human body.. Each muscle is a discreet organ constructed of…. . - Skeletal muscle tissue. . - Blood vessels. . Villacrés. Carlos . Carlosama. Signs. and . symptoms. Progressive muscular wasting. Poor balance. Drooping eyelids. Atrophy. . Scoliosis.  (curvature of the spine and the back). Inability to walk.