Muscular System Objectives

1. Muscular System Objectives • Students will be able to: • * Identify/label major bones and muscles in the body on a diagram • * Describe how to properly take care of their muscles • *name the 5 components of fitness • *calculate BMI • *describe how to effectively start an exercise program

2. Bell Ringer: Describe/list injuries you have sustained to the muscular system.

3. Facts • .Muscles make up 40% of your total body weight.In fact, muscles are the most dense thing in your body. Also, muscle weighs more than fat. Typically, when people start to work out, they lose weight at the beginning (losing fat), but then start to gain weight (muscle).

4. 2. It takes half as long to gain muscle than it does to lose it. • For example, if it takes you a month to develop a muscle, it will take two months for that muscle to degenerate back to its original size/strength. However, that’s not motivation to sit on the couch all day! Your muscle learns quickly and it’s very easy to get in shape and build muscle, so there’s your encouragement to go take that afternoon run!

5. The smallest muscles are found in the middle ear. • The same is true with the smallest bones. These small muscles, including the tensor tympani and the Stapedius, may be small, but they are very important. They are what is responsible for connecting to the ear drum and holding your ear together.

6. 4. To take one step, you use 200 muscles. • The average amount of steps a person takes each day is 10,000. That’s a lot of work for those 200 muscles.  So next time you’re off for a walk, remember the hard work that’s being put in.

7. 5. Muscles cannot push. • They can only pull. When something on your body is “pushing,” it’s actually because another muscle is pulling. For example, when your push something with your arms, it’s actually your muscles in the back of your arm pulling the elbow

8. 6. Humans are born with all the muscle fibers they will ever have. • Muscle fiber doesn’t just “grow” randomly throughout your body. That means that we have the same amount of muscle fibers as Arnold Schwarzenegger!  It is possible for it to get thicker, like Mr. Schwarzenegger, which is what happens when we work out. The work out will tear the muscle down and it will get thicker, causing muscles to get bigger and stronger.

9. 7. Your tongue is the strongest muscle in your body.

10. It takes 17 muscles to smile and 43 to frown.

11. 9. When you’re cold, your muscles contract involuntarily. • This is what happens when we get shivers. The muscle contractions send out energy that warm up your body.

12. The only muscle that never tires is our heart. • Just think about it, it never stops working. The average human heart beats from 60-100 times per minute. Through your sleep, through your workouts, through your showers, through everything. It’s a good thing your heart doesn’t tire, because we’d all get pretty sore pretty fast!

13. Muscular System

14. Muscular System • Is the group of structures that make your body parts move. • Muscles give you the power to lift weights or pet your cat and the endurance to run.

15. Controlling muscles • We control most of our muscles, but…. • Our muscular system has some muscles we cannot control. • Stomach and intestines • What do you think our most important muscle is? • Heart- contract on its own about 100,000 times a day.

16. The “Big picture” of how a muscle functions • A muscle is a pulling machine. • When a muscle contracts, it pulls in toward its center. • Contract and relax • Work in pairs • When one contracts or shortens, the other muscle extends or lengthens. • This teamwork produces movement at a joint

17. The “Big picture” of how a muscle functions The

19. https://www.youtube.com/watch?v=NUNGPLUgEyI • Skeletal muscles • https://www.youtube.com/watch?v=jqy0i1KXUO4 • Crash course muscles • https://www.youtube.com/watch?v=6ObNnCTV6MY • Muscles during walking

20. Involuntary vs. Voluntary • Involuntary muscles are always at work and work without our conscious telling them to work • Heart beat, muscles that move food through your digestive system. • Voluntary muscles work when you “tell” them to work. • Throwing a ball to first base, running, playing the piano • Without the use of these muscles you would not be able to perform any of these activities.

21. Different Types of Muscles-Groups • Skeletal • Smooth • Cardiac

22. Muscle Tissue • Skeletal Muscle- muscle attached to bones that enables you to move your body • Controllable muscles= voluntary muscles. • Smooth Muscle- muscle found in organs and in blood vessels and glands • Cannot control= involuntary muscles. • Cardiac Muscle- muscle found in the wall of your heart. • Involuntary muscle

25. Muscles • Pull out table from notes • Label on body

27. Caring for your Muscles • Proper care to stay healthy • Maintain muscle tone • Engage in regular physical activity • Warm up before physical activity • Eat foods containing carbs and protein • Maintain a healthy weight • Learn to lift properly

28. Muscular-Skeletal system project • Create a drawing and… • label each muscle and function • Label each bone • Use your diagram WS for help • Bones- skull, clavicle, sternum, humerus, rib cage, spine, radius, ulna, pelvis, phalanges (hands and feet), femur, patella, tibia, fibula • Muscles- Deltoid, pec major, tricep, bicep, abdominal rectus, gluteus maximus, hamstring, quadricep, gasteronecimus • 9 points for labeling each muscle • 9 points for muscle function • 15 points for labeling each bone • 7 creativity/ color • Total 40 points

30. http://www.bbc.co.uk/science/humanbody/body/interactives/3djigsaw_02/index.shtml?muscleshttp://www.bbc.co.uk/science/humanbody/body/interactives/3djigsaw_02/index.shtml?muscles http://sciencenetlinks.com/tools/muscles/