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Muscular System

Muscular System. Structures & Functions. Review from Yesterday. Muscles can either be ___________ or ___________. Some can be __________. Meaning?. Muscular System. All of the muscles that let you move. An organ system whose primary function is movement and flexibility.

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Muscular System

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  1. Muscular System Structures & Functions

  2. Review from Yesterday Muscles can either be ___________ or ___________. Some can be __________. Meaning?

  3. Muscular System All of the muscles that let you move. An organ system whose primary function is movement and flexibility. If all muscles rested at the same time, you would collapse! Somewhere in your body, there are always muscles working.

  4. Take a Break! A Resistance Exercise break… Do 5 push ups. Then return to your desk and be ready to listen.

  5. Kinds of Muscle Watch the video and identify and define (in your spiral) the kinds of muscle found in your body. http://kidshealth.org/kid/closet/movies/MSmovie.html?tracking=59983_G

  6. Take a Break! An Aerobic Exercise Break… Jog in place for 30 seconds. Then return to your seat and be ready to listen.

  7. Kinds of Muscle Cardiac Muscle – Only found in the heart! Smooth Muscle – Lines the walls of the digestive tract and blood vessels. Skeletal Muscle – Attached to bones for movement. Open your book to page 12 and draw a picture in your notes of each of the types of muscles.

  8. Take a Break! A Resistance Exercise Break… Pick up a book and do 10 bicep curls. Hold the book with both hands in front of you, bend then straighten your hinge joints (elbows).

  9. Skeletal Muscles Tendons – Attach skeletal muscles to bones. Flexor Muscle – Contracts to bend a body part. Extensor Muscle – Contracts to straighten a body part The flexor and extensor muscles work together in pairs to move body parts. Example: The biceps muscle contracts to bend your arm, and the triceps muscle contracts to straighten your arm.

  10. Take a Break! An Aerobic Exercise break… Carefully walk 5 laps around the classroom. Then return to your seat and be ready to listen.

  11. Muscular Injuries Strain – A muscle or tendon is overstretched or torn. This is usually caused from not warming up or stretching properly before exercise. Tendonitis – Tendons become inflamed. This is usually caused because of too much exercise.

  12. Staying Strong What are the 2 different types of exercise you can do to keep your muscles strong? Can you define each one? Resistance Exercise – works against weight or resistance to strengthen muscles Aerobic Exercise – moderately intense activity that increases endurance.

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