TheMuscular System

by Tyler Richards

What is theMuscular System?

• The muscular system is composed of muscles and tendons in your body to help it move.

What does the Muscular System do for the body?

• The reason we have a muscular system is MOVEMENT!

If we didn’t have a muscular system, we wouldn’t be able to move!

What is the difference between voluntary & involuntary muscles?

• Voluntary muscles are muscles that YOU control (skeletal muscles).

• Involuntary muscles are muscles that you DON’T control. These muscles are controlled by the nervous system.

What is asmooth muscle?

• Smooth muscle makes up most of the muscle in vital organs such as the heart. Smooth muscles are not under direct voluntary control. Therefore some smooth muscles are involuntry.

• Example of a smooth muscle: Heart

What is asmooth muscle?

• Smooth muscle makes up most of the muscle in vital organs such as the heart. Smooth muscles are not under direct voluntary control. Therefore some smooth muscles are involuntry.

• Example of a smooth muscle: Heart

What is askeletal muscle?

• These muscles help the bones in our body move. These muscles are voluntary.

What is askeletal muscle?

• These muscles help the bones in our body move. These muscles are voluntary.

What is acardiac muscle?

• These muscles are found only in the heart. These muscles are involuntary. It wouldn’t be safe if they were voluntary. We would be able to stop our heart from beating, anytime we wanted!

What is acardiac muscle?

• These muscles are found only in the heart. These muscles are involuntary. It wouldn’t be safe if they were voluntary. We would be able to stop our heart from beating, anytime we wanted!

How does a strain affect theMuscular System?

• A strain is damage to a muscle or a tendon.

How does a cramp affect theMuscular System?

• A cramp contract muscles that do not relax.

How does tendinitis affect the

Muscular System?

• Tendinitis is an inflammation of tendon.

What happens when a muscle contracts?

• When a muscle contracts, the thick filaments slide further in between the thin filaments like interlacing fingers.

What does it mean to extend a muscle?

• To extend a muscle A MOTION IS MADE TO INCREASE AN ANGLE BETWEEN TWO BONES.

What isMuscular Dystrophy?

• Muscular Dystrophy (abbr. MD) is a genetic disorder that weakens muscles that help the body move.

Signs & Symptoms of MD

• Signs & symptoms differ depending on the type of MD.

Different types of MD include the following....

Types of MD

Types of MD• Dachenne MD

• Becker MD

• Emery-Preifuss MD

• Limb-Girdle MD

• Facioscapalohumeral MD

• Myotonic MD

• Congenital MD

Treatments for MD

• NO CURE for MD

• Treatments include the following....

•Physical Theropy

•Certain exercises

•Surgery

•Occupational Theropy

•AND MORE

What are ways we can avoidMuscular System injuries?

• Stretch and

• Warming up before exercising

are good ways to avoid injuries.

Interesting Factsabout the

Muscular System• Muscles take about 50%

of your body weight.

• There are 640 individual names for muscles.

• Muscles need oxygen and food to work properly.

• There are muscles in the root of our hair that give us goose bumps.

• It takes 17 muscles to smile.

• It takes 42 muscles to frown

• The hardest working muscle in our body is in our EYES.

Sources• 1. http://answers.yahoo.com/question/index;_ylt=Ao41Yiw8O2KjHnV1jgkzHa0jzKIX;_ylv=3?qid=20080306111132AAvoXJn

• 2. http://wiki.answers.com/Q/What_is_the_difference_between_a_voluntary_muscle_and_an_involuntary_muscle

• 3. http://wiki.answers.com/Q/What_is_a_muscle&alreadyAsked=1

• 4. http://wiki.answers.com/Q/What_do_smooth_muscles_do_in_the_body&alreadyAsked=1&rtitle=What_are_smooth_muscles

• 5. http://wiki.answers.com/Q/Name_some_cardiac_muscles&alreadyAsked=1&rtitle=Examples_of_cardiac_muscles

• 6. http://www.human-body-facts.com/muscular-system.html

• 7. Muscles: Our Muscular System by Seymour Simon

• 8. human-body-facts.com/muscle-structure.html

• 9. kidshealth.org/teen/diseases_conditions/bones/muscular_dystropy.html

• 10. kidshealth.org/kids/htbw/muscles.html

• 11. www.faqs.org/health/Sick-V3/Muscular_Dystrophy.html

• 12. library.thinkquest.org/5777/mus3.htm

• 13. www.biology4kids.com/files/systems_muscular.html

• 14. biology.kenyon.edu/helthausp/cat-tutorial/function/function.htm

• 15. www.googobit.com/articles/p5-1269-no-strain-no-pain-muscles-pulls-and-what-to-do-about-them.html

Recommended Websites (for this project):

http://www.human-body-facts.comhttp://kidshealth.org