1. Muscular System Body System Mrs. Pogue Health 1000

2. What Muscles Do The muscular system allows for ________________________________ ________________________________. Your muscular system allows you to move.

3. How Muscles Work When bundles of muscles are stimulated by nerve impulses, or signals, they _______________, or shorten. When they relax, the bundles ____________, or stretch.

4. Types of Muscles Three Types of Muscle Tissue _________________________________

5. What Muscles Do _______________________ movements help you _________, make your ______________, and move food through your digestive system.

6. Types of Muscles ___________________ are involuntary muscles. _________________________ Muscles that act on the lining of the body’s passageways and hollow internal organs

7. Types of Muscles ______________________ is involuntary and is responsible for the contraction of your heart. Your heart beats 100,000 times each day. _____________________ A type of striated muscle that forms the wall of the heart

8. Types of Muscles Most of your muscle tissue is skeletal, and almost all _________________ are under voluntary control. __________________________ Muscles attached to bone that cause body movements

9. What Muscles Do Skeletal muscles work in pairs to produce movement.

10. Caring for Your Muscles Get regular exercise. Eat high protein foods to build muscle. Practice good posture to strengthen back muscles. Use proper equipment and wear appropriate clothing to protect muscles during any physical activity. Warm up properly and stretch before exercising, and cool down after exercising to prevent injury.

11. Understanding Muscular Problems Bruises are areas of discolored skin that appear after an injury that causes the blood vessels beneath the skin to rupture and leak. Large bruises can be treated with an ice pack to reduce initial swelling.

12. Understanding Muscular Problems Muscle strains or sprains result when muscles are stretched or partially torn from overexertion. Apply ice to strains to reduce swelling, and rest the affected area.

13. Understanding Muscular Problems _______________ can be caused by injury, overuse, or natural aging. _____________ The inflammation of a tendon

14. Understanding Muscular Problems ______________ commonly occur in the abdomen from straining to lift a heavy object. Surgery can usually repair hernias. _______________ An organ or tissue protrudes through an area of weak muscle

15. Understanding Muscular Problems Muscular dystrophy is an inherited disorder in which skeletal muscle fibers are progressively destroyed. There is no cure, but with early detection, muscle weakness can be delayed through exercise programs.

16. Sources http://graphics8.nytimes.com/images/2007/08/01/health/adam/19917.jpg http://www.sport-fitness-advisor.com/images/muscle_anatomy.jpg http://images.encarta.msn.com/xrefmedia/sharemed/targets/images/pho/t790/T7 90539A.jpghttp://images.encarta.msn.com/xrefmedia/sharemed/targets/images/pho/t790/T7 90539A.jpg http://clcpages.clcillinois.edu/home/bio567/pages/newtissues/Skeletal%20muscl e%2003a.jpghttp://clcpages.clcillinois.edu/home/bio567/pages/newtissues/Skeletal%20muscl e%2003a.jpg http://www.sciencelearn.org.nz/var/sciencelearn/storage/images/contexts/see_th rough_body/sci_media/cardiac_muscle/8558-1-eng- NZ/cardiac_muscle_full_size_landscape.jpghttp://www.sciencelearn.org.nz/var/sciencelearn/storage/images/contexts/see_th rough_body/sci_media/cardiac_muscle/8558-1-eng- NZ/cardiac_muscle_full_size_landscape.jpg Glencoe Health 2009